Cotati Weather in March
Average highs run from 63°F on March 1 to 66°F on March 31, and lows from 41°F to 43°F. Normal precipitation for the month is 3.32 in over about 10 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
- 65°F
- Average low
- 42°F
- Precipitation
- 3.32 in
- Record high
- 93°FMar 17, 1914
- Record low
- 24°FMar 6, 1918
- Chance of a freeze
- 40%
- Daylight
- 11 h 22 min to 12 h 36 min
- Cloud cover
- 54%
- Humidity
- 81%
- Dew point
- 44°F
- Wind
- 6.5 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Mar 1 | 63°F | 41°F | 80°F 1936 | 27°F 1917 | 36% |
| Mar 2 | 63°F | 41°F | 81°F 1936 | 26°F 1917 | 36% |
| Mar 3 | 63°F | 41°F | 86°F 1929 | 26°F 1966 | 36% |
| Mar 4 | 64°F | 41°F | 84°F 1959 | 30°F 1920 | 35% |
| Mar 5 | 64°F | 41°F | 80°F 1972 | 25°F 1918 | 35% |
| Mar 6 | 64°F | 41°F | 79°F 1993 | 24°F 1918 | 35% |
| Mar 7 | 64°F | 41°F | 81°F 1953 | 29°F 1917 | 34% |
| Mar 8 | 64°F | 42°F | 80°F 1913 | 30°F 1925 | 34% |
| Mar 9 | 64°F | 42°F | 80°F 1934 | 28°F 1918 | 34% |
| Mar 10 | 64°F | 42°F | 81°F 1934 | 26°F 1919 | 34% |
| Mar 11 | 64°F | 42°F | 82°F 1916 | 29°F 1925 | 34% |
| Mar 12 | 64°F | 42°F | 81°F 1994 | 29°F 1919 | 33% |
| Mar 13 | 64°F | 42°F | 81°F 1994 | 28°F 1954 | 33% |
| Mar 14 | 64°F | 42°F | 81°F 1994 | 28°F 1918 | 33% |
| Mar 15 | 64°F | 42°F | 87°F 2004 | 26°F 1913 | 33% |
| Mar 16 | 65°F | 42°F | 90°F 1914 | 28°F 1917 | 33% |
| Mar 17 | 65°F | 42°F | 93°F 1914 | 28°F 1920 | 32% |
| Mar 18 | 65°F | 42°F | 90°F 1914 | 31°F 1920 | 32% |
| Mar 19 | 65°F | 42°F | 87°F 2026 | 28°F 1920 | 32% |
| Mar 20 | 65°F | 42°F | 90°F 2026 | 32°F 1968 | 32% |
| Mar 21 | 65°F | 42°F | 88°F 2026 | 30°F 1938 | 31% |
| Mar 22 | 65°F | 42°F | 85°F 2022 | 32°F 1935 | 31% |
| Mar 23 | 65°F | 42°F | 78°F 1969 | 31°F 1955 | 31% |
| Mar 24 | 65°F | 42°F | 79°F 1930 | 29°F 1913 | 31% |
| Mar 25 | 65°F | 42°F | 87°F 1970 | 29°F 1964 | 30% |
| Mar 26 | 65°F | 42°F | 86°F 1923 | 27°F 1913 | 30% |
| Mar 27 | 65°F | 43°F | 89°F 1923 | 28°F 1913 | 30% |
| Mar 28 | 66°F | 43°F | 84°F 1923 | 31°F 1918 | 29% |
| Mar 29 | 66°F | 43°F | 84°F 1968 | 32°F 2020 | 29% |
| Mar 30 | 66°F | 43°F | 82°F 2018 | 30°F 1938 | 29% |
| Mar 31 | 66°F | 43°F | 83°F 1966 | 31°F 1938 | 28% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- March 1
- sunrise 6:42 AM, sunset 6:04 PM
- March 31
- sunrise 6:57 AM, sunset 7:33 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00046826 (Petaluma AP), public domain. Records: NOAA GHCN-Daily, station USC00046826, 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.