Whatcom County Weather in March
Average highs run from 45°F on March 1 to 51°F on March 31, and lows from 30°F to 34°F. Normal precipitation for the month is 10.42 in over about 21 wet days.
March day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
March at a glance
- Average high
- 48°F
- Average low
- 32°F
- Precipitation
- 10.42 in
- Snowfall
- 3.4 in
- Record high
- 76°FMar 29, 2004
- Record low
- 10°FMar 10, 1951
- Chance of a freeze
- 100%
- Daylight
- 11 h 02 min to 12 h 50 min
- Cloud cover
- 73%
- Humidity
- 90%
- Dew point
- 31°F
- Wind
- 3.8 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 |
|---|---|---|---|---|---|---|
| Mar 1 | 45°F | 30°F | 61°F 2025 | 20°F 1971 | 63% | 12% |
| Mar 2 | 45°F | 30°F | 61°F 1990 | 20°F 1989 | 63% | 12% |
| Mar 3 | 45°F | 30°F | 62°F 1965 | 15°F 1989 | 63% | 11% |
| Mar 4 | 46°F | 30°F | 66°F 1987 | 11°F 1955 | 64% | 11% |
| Mar 5 | 46°F | 30°F | 64°F 1965 | 11°F 1955 | 64% | 11% |
| Mar 6 | 46°F | 30°F | 68°F 2007 | 18°F 1951 | 64% | 11% |
| Mar 7 | 46°F | 31°F | 62°F 1978 | 15°F 1951 | 64% | 11% |
| Mar 8 | 46°F | 31°F | 63°F 2004 | 21°F 2002 | 64% | 10% |
| Mar 9 | 46°F | 31°F | 67°F 1995 | 16°F 1951 | 64% | 10% |
| Mar 10 | 47°F | 31°F | 65°F 2005 | 10°F 1951 | 65% | 10% |
| Mar 11 | 47°F | 31°F | 69°F 1965 | 19°F 1951 | 65% | 9% |
| Mar 12 | 47°F | 31°F | 70°F 2018 | 21°F 2009 | 65% | 9% |
| Mar 13 | 47°F | 31°F | 67°F 1992 | 24°F 1962 | 65% | 9% |
| Mar 14 | 47°F | 32°F | 63°F 1995 | 25°F 1958 | 65% | 9% |
| Mar 15 | 48°F | 32°F | 61°F 1974 | 26°F 1958 | 65% | 8% |
| Mar 16 | 48°F | 32°F | 68°F 2024 | 26°F 1982 | 65% | 8% |
| Mar 17 | 48°F | 32°F | 67°F 2024 | 24°F 1971 | 65% | 7% |
| Mar 18 | 48°F | 32°F | 68°F 1996 | 23°F 2002 | 65% | 7% |
| Mar 19 | 48°F | 32°F | 74°F 2019 | 19°F 1965 | 65% | 7% |
| Mar 20 | 49°F | 32°F | 74°F 2019 | 24°F 1955 | 65% | 6% |
| Mar 21 | 49°F | 33°F | 64°F 2004 | 23°F 1966 | 65% | 6% |
| Mar 22 | 49°F | 33°F | 65°F 2019 | 25°F 1966 | 65% | 6% |
| Mar 23 | 49°F | 33°F | 62°F 2001 | 28°F 1949 | 65% | 5% |
| Mar 24 | 50°F | 33°F | 64°F 2010 | 22°F 1955 | 65% | 5% |
| Mar 25 | 50°F | 33°F | 66°F 2025 | 26°F 1996 | 64% | 5% |
| Mar 26 | 50°F | 33°F | 65°F 1994 | 25°F 1955 | 64% | 4% |
| Mar 27 | 50°F | 33°F | 68°F 1994 | 28°F 1954 | 64% | 4% |
| Mar 28 | 51°F | 33°F | 72°F 1994 | 24°F 1954 | 64% | 4% |
| Mar 29 | 51°F | 34°F | 76°F 2004 | 22°F 1954 | 64% | 4% |
| Mar 30 | 51°F | 34°F | 68°F 1995 | 23°F 1954 | 63% | 3% |
| Mar 31 | 51°F | 34°F | 68°F 2016 | 27°F 1975 | 63% | 3% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- March 1
- sunrise 6:49 AM, sunset 5:51 PM
- March 31
- sunrise 6:47 AM, sunset 7:37 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00458715 (Upper Baker Dam), public domain. Records: NOAA GHCN-Daily, station USW00024217, 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.