Downey Weather in March
Average highs run from 69°F on March 1 to 73°F on March 31, and lows from 49°F to 51°F. Normal precipitation for the month is 2.53 in over about 5 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
- 71°F
- Average low
- 51°F
- Precipitation
- 2.53 in
- Record high
- 99°FMar 17, 2026
- Record low
- 33°FMar 8, 1964
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.5
- Daylight
- 11 h 28 min to 12 h 32 min
- Cloud cover
- 38%
- Humidity
- 66%
- Dew point
- 43°F
- Wind
- 6.9 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 | 69°F | 49°F | 88°F 2013 | 37°F 1962 | 22% |
| Mar 2 | 69°F | 49°F | 85°F 1994 | 35°F 1971 | 22% |
| Mar 3 | 69°F | 49°F | 82°F 1968 | 36°F 1977 | 21% |
| Mar 4 | 70°F | 49°F | 91°F 2012 | 36°F 1951 | 21% |
| Mar 5 | 70°F | 50°F | 82°F 1979 | 37°F 1974 | 21% |
| Mar 6 | 70°F | 50°F | 87°F 2015 | 38°F 1967 | 20% |
| Mar 7 | 70°F | 50°F | 88°F 2004 | 36°F 1964 | 20% |
| Mar 8 | 70°F | 50°F | 91°F 2004 | 33°F 1964 | 19% |
| Mar 9 | 70°F | 50°F | 87°F 2004 | 37°F 1952 | 19% |
| Mar 10 | 70°F | 50°F | 92°F 1997 | 36°F 1962 | 19% |
| Mar 11 | 70°F | 50°F | 94°F 2007 | 38°F 1969 | 18% |
| Mar 12 | 71°F | 50°F | 92°F 2007 | 37°F 2006 | 18% |
| Mar 13 | 71°F | 51°F | 91°F 2015 | 38°F 1990 | 18% |
| Mar 14 | 71°F | 51°F | 94°F 2015 | 37°F 1969 | 17% |
| Mar 15 | 71°F | 51°F | 92°F 2015 | 39°F 1977 | 17% |
| Mar 16 | 71°F | 51°F | 91°F 1978 | 39°F 1991 | 17% |
| Mar 17 | 71°F | 51°F | 99°F 2026 | 37°F 1952 | 16% |
| Mar 18 | 71°F | 51°F | 91°F 2026 | 38°F 1963 | 16% |
| Mar 19 | 71°F | 51°F | 94°F 1997 | 40°F 1963 | 16% |
| Mar 20 | 71°F | 51°F | 91°F 2026 | 42°F 1968 | 16% |
| Mar 21 | 72°F | 51°F | 88°F 1986 | 42°F 1973 | 15% |
| Mar 22 | 72°F | 51°F | 89°F 1976 | 39°F 1987 | 15% |
| Mar 23 | 72°F | 51°F | 89°F 2008 | 42°F 1952 | 15% |
| Mar 24 | 72°F | 51°F | 94°F 1988 | 42°F 1964 | 15% |
| Mar 25 | 72°F | 51°F | 98°F 1988 | 40°F 1949 | 14% |
| Mar 26 | 72°F | 51°F | 98°F 1988 | 42°F 1954 | 14% |
| Mar 27 | 72°F | 51°F | 90°F 2015 | 41°F 1975 | 14% |
| Mar 28 | 72°F | 51°F | 92°F 2004 | 43°F 1991 | 13% |
| Mar 29 | 72°F | 51°F | 91°F 2004 | 39°F 1975 | 13% |
| Mar 30 | 72°F | 51°F | 87°F 2003 | 38°F 1967 | 12% |
| Mar 31 | 73°F | 51°F | 89°F 2011 | 39°F 1949 | 12% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- March 1
- sunrise 6:21 AM, sunset 5:49 PM
- March 31
- sunrise 6:41 AM, sunset 7:13 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00047785 (San Gabriel Fire Dept), public domain. Records: NOAA GHCN-Daily, station USW00023129, 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.