Williamstown Weather in April
Average highs run from 46°F on April 1 to 62°F on April 30, and lows from 23°F to 35°F. Normal precipitation for the month is 3.66 in over about 10 wet days.
April day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
April at a glance
- Average high
- 54°F
- Average low
- 29°F
- Precipitation
- 3.66 in
- Snowfall
- 3.3 in
- Record high
- 90°FApr 18, 1976
- Record low
- 2°FApr 5, 1954
- Chance of a freeze
- 100%
- Daylight
- 12 h 46 min to 14 h 10 min
- Cloud cover
- 70%
- Humidity
- 81%
- Dew point
- 33°F
- Wind
- 5.8 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 |
|---|---|---|---|---|---|---|
| Apr 1 | 46°F | 23°F | 76°F 1986 | 4°F 1964 | 30% | 8% |
| Apr 2 | 47°F | 24°F | 78°F 2010 | 7°F 1964 | 30% | 8% |
| Apr 3 | 47°F | 24°F | 84°F 2010 | 5°F 1954 | 30% | 8% |
| Apr 4 | 48°F | 24°F | 69°F 1981 | 4°F 1954 | 30% | 7% |
| Apr 5 | 48°F | 25°F | 69°F 1974 | 2°F 1954 | 31% | 7% |
| Apr 6 | 49°F | 25°F | 72°F 1991 | 9°F 1970 | 31% | 7% |
| Apr 7 | 49°F | 26°F | 81°F 2010 | 9°F 1982 | 31% | 6% |
| Apr 8 | 50°F | 26°F | 76°F 1991 | 14°F 1982 | 31% | 6% |
| Apr 9 | 50°F | 27°F | 74°F 2021 | 9°F 1997 | 31% | 6% |
| Apr 10 | 51°F | 27°F | 77°F 2017 | 16°F 2025 | 32% | 6% |
| Apr 11 | 51°F | 27°F | 77°F 2017 | 15°F 1989 | 32% | 5% |
| Apr 12 | 52°F | 28°F | 70°F 2006 | 14°F 1967 | 32% | 5% |
| Apr 13 | 52°F | 28°F | 83°F 2023 | 11°F 1973 | 32% | 5% |
| Apr 14 | 53°F | 29°F | 81°F 1968 | 11°F 1973 | 32% | 4% |
| Apr 15 | 53°F | 29°F | 79°F 2023 | 19°F 1981 | 33% | 4% |
| Apr 16 | 54°F | 29°F | 84°F 2002 | 18°F 1992 | 33% | 4% |
| Apr 17 | 55°F | 30°F | 86°F 1976 | 14°F 2014 | 33% | 4% |
| Apr 18 | 55°F | 30°F | 90°F 1976 | 21°F 1962 | 33% | 3% |
| Apr 19 | 56°F | 31°F | 90°F 1976 | 22°F 2001 | 33% | 3% |
| Apr 20 | 56°F | 31°F | 80°F 1987 | 18°F 2001 | 34% | 3% |
| Apr 21 | 57°F | 31°F | 81°F 1977 | 18°F 2026 | 34% | 3% |
| Apr 22 | 57°F | 32°F | 83°F 1954 | 20°F 1981 | 34% | 3% |
| Apr 23 | 58°F | 32°F | 80°F 2007 | 21°F 1988 | 35% | 3% |
| Apr 24 | 59°F | 33°F | 78°F 2001 | 23°F 1965 | 35% | 2% |
| Apr 25 | 59°F | 33°F | 85°F 2009 | 17°F 1965 | 35% | 2% |
| Apr 26 | 60°F | 33°F | 80°F 1990 | 22°F 1967 | 35% | 2% |
| Apr 27 | 60°F | 34°F | 86°F 1962 | 17°F 1966 | 35% | 2% |
| Apr 28 | 61°F | 34°F | 90°F 1990 | 22°F 2016 | 36% | 2% |
| Apr 29 | 61°F | 35°F | 83°F 1986 | 23°F 2016 | 36% | 2% |
| Apr 30 | 62°F | 35°F | 81°F 2004 | 25°F 1950 | 36% | 2% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- April 1
- sunrise 6:31 AM, sunset 7:17 PM
- April 30
- sunrise 5:43 AM, sunset 7:53 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00435733 (Northfield), public domain. Records: NOAA GHCN-Daily, station USW00094705, 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.