Westminster Weather in April
Average highs run from 72°F on April 1 to 74°F on April 30, and lows from 53°F to 56°F. Normal precipitation for the month is 0.82 in over about 3 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
- 73°F
- Average low
- 54°F
- Precipitation
- 0.82 in
- Record high
- 105°FApr 5, 1989
- Record low
- 38°FApr 7, 1975
- Chance of a freeze
- 0%
- Days of 90°F or more
- 1.3
- Daylight
- 12 h 34 min to 13 h 31 min
- Cloud cover
- 32%
- Humidity
- 63%
- Dew point
- 44°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 |
|---|---|---|---|---|---|
| Apr 1 | 72°F | 53°F | 93°F 1959 | 44°F 1951 | 12% |
| Apr 2 | 72°F | 53°F | 92°F 1960 | 39°F 1956 | 12% |
| Apr 3 | 72°F | 53°F | 93°F 1961 | 40°F 1964 | 12% |
| Apr 4 | 72°F | 53°F | 101°F 1989 | 43°F 1967 | 12% |
| Apr 5 | 73°F | 53°F | 105°F 1989 | 41°F 1955 | 11% |
| Apr 6 | 73°F | 53°F | 105°F 1989 | 42°F 1967 | 11% |
| Apr 7 | 73°F | 53°F | 100°F 2022 | 38°F 1975 | 11% |
| Apr 8 | 73°F | 53°F | 101°F 2022 | 40°F 1967 | 11% |
| Apr 9 | 73°F | 53°F | 96°F 2018 | 40°F 1953 | 11% |
| Apr 10 | 73°F | 54°F | 95°F 1968 | 40°F 1953 | 11% |
| Apr 11 | 73°F | 54°F | 90°F 1958 | 40°F 1953 | 10% |
| Apr 12 | 73°F | 54°F | 95°F 2008 | 42°F 1967 | 10% |
| Apr 13 | 73°F | 54°F | 95°F 2008 | 45°F 1983 | 10% |
| Apr 14 | 73°F | 54°F | 97°F 1964 | 44°F 1956 | 10% |
| Apr 15 | 73°F | 54°F | 99°F 1966 | 45°F 1970 | 10% |
| Apr 16 | 73°F | 54°F | 89°F 1999 | 39°F 1967 | 9% |
| Apr 17 | 73°F | 54°F | 90°F 2016 | 42°F 1967 | 9% |
| Apr 18 | 73°F | 54°F | 89°F 1999 | 42°F 1968 | 9% |
| Apr 19 | 74°F | 55°F | 97°F 2009 | 40°F 1967 | 9% |
| Apr 20 | 74°F | 55°F | 100°F 2009 | 41°F 1967 | 9% |
| Apr 21 | 74°F | 55°F | 94°F 1987 | 44°F 1967 | 8% |
| Apr 22 | 74°F | 55°F | 93°F 1987 | 41°F 1963 | 8% |
| Apr 23 | 74°F | 55°F | 90°F 1996 | 44°F 1961 | 8% |
| Apr 24 | 74°F | 55°F | 93°F 2001 | 43°F 1960 | 8% |
| Apr 25 | 74°F | 55°F | 91°F 2004 | 44°F 1960 | 8% |
| Apr 26 | 74°F | 55°F | 101°F 2004 | 45°F 1960 | 8% |
| Apr 27 | 74°F | 56°F | 99°F 2004 | 45°F 1955 | 8% |
| Apr 28 | 74°F | 56°F | 96°F 1981 | 45°F 1970 | 8% |
| Apr 29 | 74°F | 56°F | 98°F 1996 | 42°F 1970 | 7% |
| Apr 30 | 74°F | 56°F | 93°F 2014 | 42°F 1967 | 7% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- April 1
- sunrise 6:39 AM, sunset 7:13 PM
- April 30
- sunrise 6:04 AM, sunset 7:35 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00047888 (Santa Ana Fire Stn), 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.