Lewiston Weather in June
Average highs run from 82°F on June 1 to 92°F on June 30, and lows from 47°F to 51°F. Normal precipitation for the month is 0.86 in over about 3 wet days.
June day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
June at a glance
- Average high
- 87°F
- Average low
- 49°F
- Precipitation
- 0.86 in
- Record high
- 113°FJun 30, 1932
- Record low
- 28°FJun 1, 1955
- Chance of a freeze
- 0%
- Days of 90°F or more
- 10.5
- Daylight
- 14 h 54 min to 15 h 03 min
- Cloud cover
- 30%
- Humidity
- 59%
- Dew point
- 43°F
- Wind
- 4.0 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Jun 1 | 82°F | 47°F | 105°F 1924 | 28°F 1955 | 18% | 0% |
| Jun 2 | 82°F | 47°F | 105°F 1924 | 29°F 1929 | 18% | 0% |
| Jun 3 | 82°F | 47°F | 104°F 1937 | 28°F 1966 | 17% | 0% |
| Jun 4 | 83°F | 47°F | 101°F 1960 | 29°F 1925 | 17% | 0% |
| Jun 5 | 83°F | 47°F | 105°F 1926 | 29°F 1914 | 16% | 0% |
| Jun 6 | 83°F | 47°F | 109°F 1926 | 29°F 1954 | 16% | 0% |
| Jun 7 | 83°F | 47°F | 102°F 1938 | 31°F 1999 | 15% | 0% |
| Jun 8 | 84°F | 47°F | 108°F 1938 | 30°F 1950 | 15% | 0% |
| Jun 9 | 84°F | 47°F | 105°F 2013 | 32°F 2002 | 14% | 0% |
| Jun 10 | 84°F | 48°F | 100°F 1918 | 30°F 1919 | 14% | 0% |
| Jun 11 | 85°F | 48°F | 102°F 1918 | 32°F 1919 | 13% | 0% |
| Jun 12 | 85°F | 48°F | 104°F 1986 | 29°F 1917 | 13% | 0% |
| Jun 13 | 85°F | 48°F | 104°F 1933 | 28°F 1923 | 12% | 0% |
| Jun 14 | 86°F | 48°F | 104°F 1987 | 32°F 1945 | 12% | 0% |
| Jun 15 | 86°F | 48°F | 105°F 1930 | 31°F 1965 | 11% | 0% |
| Jun 16 | 87°F | 48°F | 106°F 1961 | 32°F 1939 | 11% | 0% |
| Jun 17 | 87°F | 49°F | 105°F 1961 | 30°F 1946 | 10% | 0% |
| Jun 18 | 87°F | 49°F | 103°F 2017 | 33°F 1946 | 10% | 0% |
| Jun 19 | 88°F | 49°F | 103°F 1925 | 32°F 1924 | 9% | 0% |
| Jun 20 | 88°F | 49°F | 104°F 1932 | 33°F 1991 | 9% | 0% |
| Jun 21 | 88°F | 49°F | 104°F 1932 | 33°F 1916 | 9% | 0% |
| Jun 22 | 89°F | 50°F | 105°F 1926 | 32°F 1923 | 8% | 0% |
| Jun 23 | 89°F | 50°F | 107°F 1926 | 35°F 1937 | 8% | 0% |
| Jun 24 | 90°F | 50°F | 108°F 1986 | 33°F 1955 | 8% | 0% |
| Jun 25 | 90°F | 50°F | 108°F 1926 | 32°F 1975 | 8% | 0% |
| Jun 26 | 90°F | 51°F | 110°F 1987 | 33°F 1965 | 7% | 0% |
| Jun 27 | 91°F | 51°F | 111°F 1932 | 35°F 1934 | 7% | 0% |
| Jun 28 | 91°F | 51°F | 112°F 1932 | 34°F 1971 | 7% | 0% |
| Jun 29 | 92°F | 51°F | 110°F 1932 | 28°F 1961 | 7% | 0% |
| Jun 30 | 92°F | 51°F | 113°F 1932 | 33°F 1963 | 6% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- June 1
- sunrise 5:42 AM, sunset 8:36 PM
- June 30
- sunrise 5:43 AM, sunset 8:46 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00049026 (Trinity Rvr Hatchery), public domain. Records: NOAA GHCN-Daily, station USC00049490, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.