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Built 2026-11-13 (13 November 2026)

Heat wave in Finland and Estonia, 22 to 29 October 2026

Heat wave in Finland and Estonia, 22 to 29 October 2026: 53 records at 15 stations, peak on 26 October 2026. Closed.

Data as of . Last revised (2026-11-12).

Key Facts

  • Heat wave in Finland and Estonia, 22 to 29 October 2026 set or tied 53 station records at 15 stations.
  • It ran from 22 October 2026 to 29 October 2026 (8 days) and its peak day was 26 October 2026.
  • Status: closed.
  • Punkaharju Laukansaari set a daily record high minimum temperature of 8.9 C (48.0 F) on 26 October 2026 (provisional).
  • The busiest day was 26 October 2026 with 18 records.
  • The oldest broken record in the ranked list had stood for 64 years.

Footprint

22 to 29 October 2026
Footprint of Heat wave in Finland and Estonia, 22 to 29 October 2026 The area covered by Heat wave in Finland and Estonia, 22 to 29 October 2026 is outlined, with 12 of the stations that set records marked, coloured by record type.
The area covered by Heat wave in Finland and Estonia, 22 to 29 October 2026 is outlined, with 12 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Heat wave in Finland and Estonia, 22 to 29 October 2026: stations that set records in the event
StationTypeValueDate
Punkaharju LaukansaariRecord high minimum temperature8.9 C (48.0 F)2026-10-26
Muonio AlamuonioRecord high minimum temperature5.6 C (42.1 F)2026-10-26
Juuka NiemelaRecord high minimum temperature8.6 C (47.5 F)2026-10-26
Jokioinen Jokioisten ObservatoRecord high minimum temperature8.9 C (48.0 F)2026-10-26
Heinola AsemantausRecord high minimum temperature9.4 C (48.9 F)2026-10-26
Maaninka HalolaRecord high minimum temperature8.7 C (47.7 F)2026-10-28
Hyvinkaa HyvinkaankylaRecord high minimum temperature8.9 C (48.0 F)2026-10-26
Helsinki IlmalaRecord high minimum temperature9.2 C (48.6 F)2026-10-29
Utsjoki KevoRecord high minimum temperature5.3 C (41.5 F)2026-10-26
Ylitornio MeltosjarviRecord high maximum temperature8.9 C (48.0 F)2026-10-26
Inari NellimRecord high minimum temperature6.0 C (42.8 F)2026-10-29
Siikajoki RevonlahtiRecord high minimum temperature8.7 C (47.7 F)2026-10-27
Kaarina YltoinenRecord high maximum temperature12.4 C (54.3 F)2026-10-23
Seinajoki PelmaaRecord high minimum temperature9.3 C (48.7 F)2026-10-26

Records per Day

Peak day 18
Records per day during Heat wave in Finland and Estonia, 22 to 29 October 2026 Records set or tied each day from 22 October 2026 to 29 October 2026. The most in one day was 18 on 26 October 2026. 0 5 10 15 20 10-2210-2310-2510-2610-2710-2810-29
Records set or tied each day from 22 October 2026 to 29 October 2026. The most in one day was 18 on 26 October 2026.
Records per day during Heat wave in Finland and Estonia, 22 to 29 October 2026
DateRecords
2026-10-221
2026-10-233
2026-10-253
2026-10-2618
2026-10-2714
2026-10-2811
2026-10-293

Top Records by Margin

Margin over the record replaced
Top records of Heat wave in Finland and Estonia, 22 to 29 October 2026 ranked by margin
Inari Nellim, 10-293.9 C (7.0 F)
Ylitornio Meltosjarvi, 10-263.7 C (6.7 F)
Utsjoki Kevo, 10-263.6 C (6.5 F)
Muonio Alamuonio, 10-262.9 C (5.2 F)
Utsjoki Kevo, 10-272.8 C (5.0 F)
Punkaharju Laukansaari, 10-261.8 C (3.2 F)
Juuka Niemela, 10-261.6 C (2.9 F)
Siikajoki Revonlahti, 10-271.3 C (2.3 F)
Muonio Alamuonio, 10-261.2 C (2.2 F)
Punkaharju Laukansaari, 10-261.1 C (2.0 F)
Punkaharju Laukansaari, 10-271.1 C (2.0 F)
Ylitornio Meltosjarvi, 10-251.0 C (1.8 F)
Heinola Asemantaus, 10-260.7 C (1.3 F)
Ylitornio Meltosjarvi, 10-260.7 C (1.3 F)
Jokioinen Jokioisten Observato, 10-260.6 C (1.1 F)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

Margin against age of the broken record in Heat wave in Finland and Estonia, 22 to 29 October 2026 53 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right. 0 20 40 60 80 0.01.02.03.04.0 Margin (C) Years the old record stood
53 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.
Margin against age of the broken record in Heat wave in Finland and Estonia, 22 to 29 October 2026
Margin (C)Years the old record stood
1.864
2.964
1.664
0.664
1.164
1.264
0.164
0.764
0.564
0.364
0.160
0.751
3.639
3.729
0.440
2.819
3.920
1.124
1.324
1.029
2.019
0.420
0.428
2.519
0.125
0.324
2.512
2.219
2.119
0.119
2.60
2.51
0.119
0.219
1.719
0.812
0.712
1.312
0.77
1.41
1.60
1.35
1.01
0.55
0.37
1.31
1.212
0.25
0.80
0.45
0.31
0.31
0.60

Compared With Other Events

Station records per event
Station records in Heat wave in Finland and Estonia, 22 to 29 October 2026 compared with similar events
Heat wave in United States and Mexico, 16 January to 14 February 20249,869 records
Heat wave in United States, 28 January to 24 February 20266,528 records
Heat wave in United States and Mexico, 24 May to 19 June 20205,047 records
Heat wave in United States and Mexico, 26 March to 17 April 20213,669 records
Heat wave in Germany and 49 other countries, 18 December 2021 to 15 January 20223,626 records
Heat wave in Finland and Estonia, 22 to 29 October 2026 (this event)53 records

Every Record Set

52 of 53
Every record set or tied during Heat wave in Finland and Estonia, 22 to 29 October 2026, in date order
DateStationRecordValueMarginYears stoodSignificance
2026-10-23Jokioinen Jokioisten ObservatoRecord high maximum temperature (provisional)11.7 C (53.1 F)0.1 C (0.2 F)6426 of 100 (Routine)
2026-10-23Kaarina YltoinenRecord high maximum temperature (provisional)12.4 C (54.3 F)0.1 C (0.2 F)2513 of 100 (Routine)
2026-10-23Utsjoki KevoRecord high minimum temperature (provisional)2.9 C (37.2 F)0.2 C (0.4 F)1911 of 100 (Routine)
2026-10-25Ylitornio MeltosjarviRecord high minimum temperature (provisional)5.4 C (41.7 F)1.0 C (1.8 F)2915 of 100 (Routine)
2026-10-25Kaarina YltoinenRecord high minimum temperature (provisional)9.6 C (49.3 F)0.7 C (1.3 F)79 of 100 (Routine)
2026-10-25Helsinki IlmalaRecord high maximum temperature (provisional)12.8 C (55.0 F)0.3 C (0.5 F)16 of 100 (Routine)
2026-10-25Utsjoki KevoRecord high minimum temperature (tie) (provisional)5.0 C (41.0 F)tie606 of 100 (Routine)
2026-10-26Punkaharju LaukansaariRecord high minimum temperature (provisional)8.9 C (48.0 F)1.8 C (3.2 F)6429 of 100 (Routine)
2026-10-26Muonio AlamuonioRecord high minimum temperature (provisional)5.6 C (42.1 F)2.9 C (5.2 F)6429 of 100 (Routine)
2026-10-26Juuka NiemelaRecord high minimum temperature (provisional)8.6 C (47.5 F)1.6 C (2.9 F)6428 of 100 (Routine)
2026-10-26Jokioinen Jokioisten ObservatoRecord high minimum temperature (provisional)8.9 C (48.0 F)0.6 C (1.1 F)6427 of 100 (Routine)
2026-10-26Punkaharju LaukansaariRecord high maximum temperature (provisional)11.5 C (52.7 F)1.1 C (2.0 F)6427 of 100 (Routine)
2026-10-26Muonio AlamuonioRecord high maximum temperature (provisional)7.6 C (45.7 F)1.2 C (2.2 F)6427 of 100 (Routine)
2026-10-26Heinola AsemantausRecord high minimum temperature (provisional)9.4 C (48.9 F)0.7 C (1.3 F)6426 of 100 (Routine)
2026-10-26Hyvinkaa HyvinkaankylaRecord high minimum temperature (provisional)8.9 C (48.0 F)0.3 C (0.5 F)6425 of 100 (Routine)
2026-10-26Ylitornio MeltosjarviRecord high maximum temperature (provisional)8.9 C (48.0 F)0.7 C (1.3 F)5122 of 100 (Routine)
2026-10-26Utsjoki KevoRecord high minimum temperature (provisional)5.3 C (41.5 F)3.6 C (6.5 F)3922 of 100 (Routine)
2026-10-26Ylitornio MeltosjarviRecord high minimum temperature (provisional)7.6 C (45.7 F)3.7 C (6.7 F)2920 of 100 (Routine)
2026-10-26Siikajoki RevonlahtiRecord high minimum temperature (provisional)9.0 C (48.2 F)2.6 C (4.7 F)011 of 100 (Routine)
2026-10-26Utsjoki KevoRecord high maximum temperature (provisional)8.4 C (47.1 F)0.1 C (0.2 F)1911 of 100 (Routine)
2026-10-26Maaninka HalolaRecord high minimum temperature (provisional)8.9 C (48.0 F)1.6 C (2.9 F)09 of 100 (Routine)
2026-10-26Helsinki IlmalaRecord high minimum temperature (provisional)10.9 C (51.6 F)1.0 C (1.8 F)18 of 100 (Routine)
2026-10-26Siikajoki RevonlahtiRecord high maximum temperature (provisional)10.7 C (51.3 F)0.3 C (0.5 F)78 of 100 (Routine)
2026-10-26Seinajoki PelmaaRecord high minimum temperature (provisional)9.3 C (48.7 F)0.8 C (1.4 F)07 of 100 (Routine)
2026-10-26Helsinki IlmalaRecord high maximum temperature (tie) (provisional)12.5 C (54.5 F)tie646 of 100 (Routine)
2026-10-26Heinola AsemantausRecord high maximum temperature (tie) (provisional)11.4 C (52.5 F)tie72 of 100 (Routine)
2026-10-27Utsjoki KevoRecord high maximum temperature (provisional)7.9 C (46.2 F)2.8 C (5.0 F)1916 of 100 (Routine)
2026-10-27Punkaharju LaukansaariRecord high minimum temperature (provisional)8.9 C (48.0 F)1.1 C (2.0 F)2415 of 100 (Routine)
2026-10-27Siikajoki RevonlahtiRecord high minimum temperature (provisional)8.7 C (47.7 F)1.3 C (2.3 F)2415 of 100 (Routine)
2026-10-27Utsjoki KevoRecord high minimum temperature (provisional)3.0 C (37.4 F)0.4 C (0.7 F)2814 of 100 (Routine)
2026-10-27Heinola AsemantausRecord high minimum temperature (provisional)9.5 C (49.1 F)0.3 C (0.5 F)2413 of 100 (Routine)
2026-10-27Ylitornio MeltosjarviRecord high minimum temperature (provisional)7.1 C (44.8 F)2.5 C (4.5 F)1213 of 100 (Routine)
2026-10-27Muonio AlamuonioRecord high minimum temperature (provisional)4.8 C (40.6 F)1.3 C (2.3 F)1210 of 100 (Routine)
2026-10-27Helsinki IlmalaRecord high minimum temperature (provisional)10.9 C (51.6 F)1.4 C (2.5 F)19 of 100 (Routine)
2026-10-27Maaninka HalolaRecord high minimum temperature (provisional)8.7 C (47.7 F)0.5 C (0.9 F)58 of 100 (Routine)
2026-10-27Hyvinkaa HyvinkaankylaRecord high minimum temperature (provisional)9.4 C (48.9 F)0.2 C (0.4 F)57 of 100 (Routine)
2026-10-27Juuka NiemelaRecord high minimum temperature (provisional)8.3 C (46.9 F)0.4 C (0.7 F)57 of 100 (Routine)
2026-10-27Muonio AlamuonioRecord high maximum temperature (provisional)7.0 C (44.6 F)0.3 C (0.5 F)16 of 100 (Routine)
2026-10-27Helsinki IlmalaRecord high maximum temperature (tie) (provisional)11.9 C (53.4 F)tie51 of 100 (Routine)
2026-10-28Maaninka HalolaRecord high minimum temperature (provisional)8.7 C (47.7 F)0.5 C (0.9 F)6426 of 100 (Routine)
2026-10-28Ylitornio MeltosjarviRecord high minimum temperature (provisional)5.5 C (41.9 F)0.4 C (0.7 F)4018 of 100 (Routine)
2026-10-28Utsjoki KevoRecord high maximum temperature (provisional)8.3 C (46.9 F)2.0 C (3.6 F)1915 of 100 (Routine)
2026-10-28Muonio AlamuonioRecord high maximum temperature (provisional)8.9 C (48.0 F)2.5 C (4.5 F)111 of 100 (Routine)
2026-10-28Kaarina YltoinenRecord high minimum temperature (provisional)10.1 C (50.2 F)0.8 C (1.4 F)1210 of 100 (Routine)
2026-10-28Siikajoki RevonlahtiRecord high maximum temperature (provisional)12.1 C (53.8 F)0.7 C (1.3 F)1210 of 100 (Routine)
2026-10-28Juuka NiemelaRecord high minimum temperature (provisional)7.9 C (46.2 F)1.3 C (2.3 F)59 of 100 (Routine)
2026-10-28Ylitornio MeltosjarviRecord high maximum temperature (provisional)9.3 C (48.7 F)1.3 C (2.3 F)18 of 100 (Routine)
2026-10-28Muonio AlamuonioRecord high minimum temperature (provisional)3.6 C (38.5 F)0.6 C (1.1 F)06 of 100 (Routine)
2026-10-29Helsinki IlmalaRecord high minimum temperature (provisional)9.2 C (48.6 F)0.1 C (0.2 F)6024 of 100 (Routine)
2026-10-29Inari NellimRecord high minimum temperature (provisional)6.0 C (42.8 F)3.9 C (7.0 F)2016 of 100 (Routine)
2026-10-29Juuka NiemelaRecord high minimum temperature (provisional)7.3 C (45.1 F)0.1 C (0.2 F)1911 of 100 (Routine)
2026-10-29Maaninka HalolaRecord high minimum temperature (tie) (provisional)7.7 C (45.9 F)tie646 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 52 of the 53 records the event counts. The counts above use the full total.

Download the Data

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-11-12. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.