Foresthill Weather in January
Average highs run from 54°F on January 1 to 56°F on January 31, and lows from 36°F to 37°F. Normal precipitation for the month is 7.83 in over about 11 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 55°F
- Average low
- 37°F
- Precipitation
- 7.83 in
- Snowfall
- 0.9 in
- Record high
- 81°FJan 9, 1962
- Record low
- 17°FJan 10, 1930
- Chance of a freeze
- 94%
- Daylight
- 9 h 30 min to 10 h 14 min
- Cloud cover
- 59%
- Humidity
- 75%
- Dew point
- 38°F
- Wind
- 6.5 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 |
|---|---|---|---|---|---|---|
| Jan 1 | 54°F | 36°F | 76°F 1925 | 20°F 1924 | 36% | 2% |
| Jan 2 | 54°F | 36°F | 73°F 1925 | 25°F 1924 | 36% | 2% |
| Jan 3 | 54°F | 36°F | 73°F 1925 | 21°F 1950 | 36% | 2% |
| Jan 4 | 54°F | 36°F | 74°F 1925 | 20°F 1932 | 36% | 2% |
| Jan 5 | 54°F | 36°F | 72°F 1925 | 22°F 1910 | 36% | 2% |
| Jan 6 | 54°F | 36°F | 73°F 1925 | 18°F 1937 | 36% | 2% |
| Jan 7 | 54°F | 36°F | 72°F 1925 | 19°F 1937 | 36% | 2% |
| Jan 8 | 54°F | 37°F | 73°F 1925 | 18°F 1937 | 36% | 2% |
| Jan 9 | 55°F | 37°F | 81°F 1962 | 18°F 1937 | 36% | 2% |
| Jan 10 | 55°F | 37°F | 75°F 1962 | 17°F 1930 | 36% | 2% |
| Jan 11 | 55°F | 37°F | 72°F 1925 | 19°F 1930 | 36% | 2% |
| Jan 12 | 55°F | 37°F | 74°F 1925 | 21°F 1930 | 36% | 1% |
| Jan 13 | 55°F | 37°F | 73°F 2009 | 20°F 1930 | 36% | 1% |
| Jan 14 | 55°F | 37°F | 70°F 1906 | 23°F 1932 | 36% | 1% |
| Jan 15 | 55°F | 37°F | 73°F 1924 | 26°F 1932 | 36% | 2% |
| Jan 16 | 55°F | 37°F | 73°F 2014 | 24°F 2007 | 36% | 2% |
| Jan 17 | 55°F | 37°F | 71°F 2014 | 21°F 1917 | 36% | 2% |
| Jan 18 | 55°F | 37°F | 71°F 2014 | 17°F 1937 | 36% | 2% |
| Jan 19 | 55°F | 37°F | 72°F 1920 | 18°F 1937 | 36% | 2% |
| Jan 20 | 55°F | 37°F | 71°F 2009 | 18°F 1937 | 36% | 2% |
| Jan 21 | 55°F | 37°F | 71°F 2014 | 18°F 1937 | 37% | 2% |
| Jan 22 | 55°F | 37°F | 70°F 2014 | 22°F 1937 | 37% | 2% |
| Jan 23 | 55°F | 37°F | 77°F 1968 | 20°F 1937 | 37% | 2% |
| Jan 24 | 55°F | 37°F | 71°F 1948 | 20°F 1937 | 37% | 2% |
| Jan 25 | 55°F | 37°F | 75°F 2014 | 22°F 1949 | 37% | 2% |
| Jan 26 | 56°F | 37°F | 70°F 1935 | 23°F 1950 | 37% | 2% |
| Jan 27 | 56°F | 37°F | 73°F 1940 | 23°F 1957 | 37% | 3% |
| Jan 28 | 56°F | 37°F | 74°F 1935 | 24°F 2021 | 37% | 3% |
| Jan 29 | 56°F | 37°F | 70°F 1931 | 24°F 1979 | 37% | 3% |
| Jan 30 | 56°F | 37°F | 72°F 1931 | 23°F 2023 | 37% | 3% |
| Jan 31 | 56°F | 37°F | 71°F 1962 | 23°F 2023 | 37% | 3% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- January 1
- sunrise 7:22 AM, sunset 4:52 PM
- January 31
- sunrise 7:10 AM, sunset 5:24 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00041912 (Colfax), public domain. Records: NOAA GHCN-Daily, station USC00040383, 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.