Isleton Weather in April
Average highs run from 69°F on April 1 to 76°F on April 30, and lows from 48°F to 52°F. Normal precipitation for the month is 0.91 in over about 4 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
- 72°F
- Average low
- 50°F
- Precipitation
- 0.91 in
- Record high
- 97°FApr 21, 2009
- Record low
- 31°FApr 6, 2024
- Chance of a freeze
- 0%
- Daylight
- 12 h 39 min to 13 h 46 min
- Cloud cover
- 44%
- Humidity
- 71%
- Dew point
- 46°F
- Wind
- 7.4 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 | 69°F | 48°F | 85°F 2002 | 34°F 1999 | 21% |
| Apr 2 | 69°F | 48°F | 88°F 2000 | 35°F 2025 | 21% |
| Apr 3 | 69°F | 48°F | 85°F 2022 | 35°F 2001 | 20% |
| Apr 4 | 70°F | 48°F | 81°F 2026 | 33°F 2023 | 20% |
| Apr 5 | 70°F | 48°F | 85°F 2016 | 33°F 2003 | 19% |
| Apr 6 | 70°F | 48°F | 90°F 2016 | 31°F 2024 | 19% |
| Apr 7 | 70°F | 48°F | 89°F 2022 | 33°F 2024 | 19% |
| Apr 8 | 70°F | 48°F | 92°F 2022 | 32°F 2001 | 18% |
| Apr 9 | 71°F | 49°F | 87°F 2004 | 32°F 1999 | 18% |
| Apr 10 | 71°F | 49°F | 87°F 2004 | 40°F 2021 | 17% |
| Apr 11 | 71°F | 49°F | 85°F 2008 | 35°F 2003 | 17% |
| Apr 12 | 71°F | 49°F | 87°F 2008 | 38°F 1998 | 16% |
| Apr 13 | 71°F | 49°F | 90°F 2008 | 39°F 1998 | 15% |
| Apr 14 | 72°F | 49°F | 87°F 2025 | 33°F 1998 | 15% |
| Apr 15 | 72°F | 49°F | 84°F 1999 | 34°F 1998 | 14% |
| Apr 16 | 72°F | 50°F | 85°F 1999 | 36°F 1998 | 14% |
| Apr 17 | 72°F | 50°F | 87°F 2021 | 35°F 2018 | 13% |
| Apr 18 | 73°F | 50°F | 92°F 2021 | 36°F 2002 | 13% |
| Apr 19 | 73°F | 50°F | 91°F 2009 | 36°F 2018 | 13% |
| Apr 20 | 73°F | 50°F | 96°F 2009 | 36°F 2008 | 12% |
| Apr 21 | 73°F | 50°F | 97°F 2009 | 36°F 2008 | 12% |
| Apr 22 | 74°F | 50°F | 97°F 2009 | 38°F 2003 | 12% |
| Apr 23 | 74°F | 51°F | 93°F 2019 | 39°F 2000 | 11% |
| Apr 24 | 74°F | 51°F | 93°F 2019 | 43°F 2003 | 11% |
| Apr 25 | 74°F | 51°F | 91°F 2019 | 42°F 2005 | 11% |
| Apr 26 | 75°F | 51°F | 95°F 2004 | 34°F 2021 | 11% |
| Apr 27 | 75°F | 51°F | 94°F 2004 | 37°F 1999 | 10% |
| Apr 28 | 75°F | 51°F | 92°F 2013 | 39°F 2021 | 10% |
| Apr 29 | 75°F | 52°F | 93°F 2013 | 39°F 2010 | 10% |
| Apr 30 | 76°F | 52°F | 91°F 2015 | 38°F 2003 | 10% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- April 1
- sunrise 6:51 AM, sunset 7:30 PM
- April 30
- sunrise 6:11 AM, sunset 7:57 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00040232 (Antioch Pumping Plt #3), public domain. Records: NOAA GHCN-Daily, station USW00093241, 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.