Island County Weather in March
Average highs run from 48°F on March 1 to 54°F on March 31, and lows from 37°F to 40°F. Normal precipitation for the month is 1.96 in over about 14 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
- 51°F
- Average low
- 38°F
- Precipitation
- 1.96 in
- Snowfall
- 0.3 in
- Record high
- 78°FMar 29, 2004
- Record low
- 11°FMar 3, 1896
- Chance of a freeze
- 80%
- Daylight
- 11 h 04 min to 12 h 50 min
- Cloud cover
- 76%
- Humidity
- 84%
- Dew point
- 39°F
- Wind
- 4.7 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 | 48°F | 37°F | 62°F 2010 | 14°F 1896 | 44% | 0% |
| Mar 2 | 49°F | 37°F | 62°F 1905 | 22°F 1989 | 44% | 0% |
| Mar 3 | 49°F | 37°F | 67°F 1965 | 11°F 1896 | 44% | 0% |
| Mar 4 | 49°F | 37°F | 68°F 1937 | 16°F 1955 | 44% | 0% |
| Mar 5 | 49°F | 37°F | 64°F 1937 | 16°F 1955 | 44% | 0% |
| Mar 6 | 49°F | 37°F | 66°F 2007 | 25°F 1998 | 44% | 0% |
| Mar 7 | 49°F | 37°F | 65°F 2005 | 23°F 1951 | 44% | 0% |
| Mar 8 | 50°F | 38°F | 67°F 1937 | 26°F 2002 | 44% | 0% |
| Mar 9 | 50°F | 38°F | 65°F 1905 | 25°F 1943 | 44% | 0% |
| Mar 10 | 50°F | 38°F | 66°F 1979 | 19°F 1951 | 44% | 0% |
| Mar 11 | 50°F | 38°F | 69°F 1941 | 22°F 1897 | 44% | 0% |
| Mar 12 | 50°F | 38°F | 68°F 2018 | 19°F 1897 | 44% | 0% |
| Mar 13 | 50°F | 38°F | 65°F 1965 | 24°F 1906 | 44% | 0% |
| Mar 14 | 51°F | 38°F | 67°F 1926 | 21°F 1906 | 44% | 0% |
| Mar 15 | 51°F | 38°F | 66°F 1900 | 22°F 1906 | 44% | 0% |
| Mar 16 | 51°F | 38°F | 65°F 1905 | 23°F 1906 | 44% | 0% |
| Mar 17 | 51°F | 39°F | 65°F 1947 | 25°F 1965 | 44% | 0% |
| Mar 18 | 51°F | 39°F | 65°F 2019 | 22°F 1965 | 44% | 0% |
| Mar 19 | 51°F | 39°F | 68°F 1928 | 21°F 1965 | 44% | 0% |
| Mar 20 | 52°F | 39°F | 69°F 2019 | 27°F 1955 | 44% | 0% |
| Mar 21 | 52°F | 39°F | 66°F 1963 | 25°F 1899 | 44% | 0% |
| Mar 22 | 52°F | 39°F | 66°F 2004 | 24°F 1898 | 44% | 0% |
| Mar 23 | 52°F | 39°F | 67°F 1903 | 25°F 1965 | 43% | 0% |
| Mar 24 | 52°F | 39°F | 64°F 2011 | 25°F 1965 | 43% | 0% |
| Mar 25 | 52°F | 39°F | 61°F 1981 | 27°F 1899 | 43% | 0% |
| Mar 26 | 53°F | 40°F | 67°F 1966 | 23°F 1898 | 43% | 0% |
| Mar 27 | 53°F | 40°F | 65°F 1941 | 28°F 1944 | 43% | 0% |
| Mar 28 | 53°F | 40°F | 70°F 1995 | 27°F 1954 | 43% | 0% |
| Mar 29 | 53°F | 40°F | 78°F 2004 | 25°F 1954 | 43% | 0% |
| Mar 30 | 53°F | 40°F | 68°F 1995 | 26°F 1936 | 43% | 0% |
| Mar 31 | 54°F | 40°F | 68°F 2016 | 27°F 1936 | 42% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- March 1
- sunrise 6:51 AM, sunset 5:55 PM
- March 31
- sunrise 6:50 AM, sunset 7:40 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00451783 (Coupeville 1 S), public domain. Records: NOAA GHCN-Daily, station USC00451783, 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.