Lewiston, ID: records

4 October 2026: The hottest day on record in Lewiston, ID: 117°F on Thursday 27 July 1939.

The record begins: 1881

All-time records

Hottest day: 117°F; 27 July 1939
Coldest night: -23°F; 13 December 1919
Wettest day: 2.71 in; 13 December 1882
Warmest night: 82°F; 8 August 1882
Coldest day: -8°F; 30 December 1968

Daily records by decade

New daily records set in Lewiston, ID by decade since the 1910s: the most record highs, 137, came in the 1920s; the most record lows, 91, in the 1950s.

Record highs
Record lows

Every decade as a table

Decade	Record highs	Record lows	Years in the record
1880s	0	0	9
1890s	0	0	10
1900s	0	0	10
1910s	8	1	10
1920s	137	72	10
1930s	126	50	10
1940s	61	62	10
1950s	21	91	10
1960s	33	46	10
1970s	25	22	10
1980s	22	27	10
1990s	12	15	10
2000s	25	12	10
2010s	27	7	10
2020s	21	5	7

Records by month

Month	Highest	Lowest	Wettest day
January	66°F 9 January 1953	-22°F 31 January 1950	1.40 in 12 January 1900
February	72°F 24 February 1986	-18°F 12 February 1884	1.24 in 6 February 2020
March	80°F 26 March 2025, 30 March 1923	2°F 5 March 1955	2.18 in 31 March 1931
April	98°F 28 April 1939	20°F 19 April 1966	0.93 in 16 April 1935
May	104°F 28 May 1934	23°F 1 May 1954	1.65 in 16 May 1897
June	115°F 29 June 2021	34°F 1 June 1951	1.72 in 11 June 1885
July	117°F 27 July 1939	41°F 2 July 1955, 7 July 1895	1.80 in 10 July 1998
August	115°F 4 August 1961	41°F 24 August 1992, 20 August 1945	1.36 in 1 August 1960
September	108°F 6 September 1944	27°F 24 September 1926	1.73 in 14 September 1955
October	94°F 5 October 1943	15°F 31 October 2002	1.09 in 31 October 1973, 10 October 1955
November	77°F 12 November 1999	-3°F 15 November 1955, 14 November 1955	1.22 in 18 November 1996
December	67°F 12 December 1921	-23°F 13 December 1919	2.71 in 13 December 1882

Streaks, months and years

Longest heat streak	36 days	18 July to 22 August 1898	A high of 90°F or above
Longest cold streak	22 days	12 December 1884 to 2 January 1885	A high of 32°F or below
Wettest month	5.67 in	June 1884
Driest month	0.00 in	August 1917
Wettest year	21.76 in	1884
Driest year	7.73 in	2007

Every record in words

The coldest night on record in Lewiston, ID: a low of -23°F on Saturday 13 December 1919.
The wettest day on record in Lewiston, ID: 2.71 in on Wednesday 13 December 1882.
The warmest night on record in Lewiston, ID: a low of 82°F on Tuesday 8 August 1882.
The coldest day on record in Lewiston, ID: a high of -8°F on Monday 30 December 1968.
The longest run of days with a high of 90°F or above in Lewiston, ID: 36 days, from Monday 18 July to Monday 22 August 1898.
The longest run of days with a high of 32°F or below in Lewiston, ID: 22 days, from Friday 12 December 1884 to Friday 2 January 1885.
The wettest month on record in Lewiston, ID: June 1884, with 5.67 in of precipitation.
The driest month on record in Lewiston, ID: August 1917, with 0.00 in of precipitation.
The wettest year on record in Lewiston, ID: 1884, with 21.76 in of precipitation.
The driest year on record in Lewiston, ID: 2007, with 7.73 in of precipitation.

Lewiston, ID the day's answers