Irwindale, CA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Irwindale now
Loading the National Weather Service forecast…
Irwindale weather by the hour
Irwindale weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Irwindale.
This week in Irwindale
Sunrise, sunset and moon in Irwindale
What is the weather usually like in Irwindale?
Köppen climate classification, calculated from the 1991–2020 normals
- Augustwarmest month · 87°F average high
- Decembercoldest month · 45°F average low
- 15.7 inprecipitation per year · 398 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Irwindale: April to June and October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station SAN GABRIEL FIRE DEPT, CA US (USC00047785), adjusted for the elevation of Irwindale.
Irwindale weather month by month
Sunrise and sunset in Irwindale through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 6:55 AM | 5:06 PM | 10 h 11 min |
| February | 6:34 AM | 5:37 PM | 11 h 2 min |
| March | 7:00 AM | 7:00 PM | 12 h 0 min |
| April | 6:18 AM | 7:24 PM | 13 h 5 min |
| May | 5:48 AM | 7:48 PM | 13 h 59 min |
| June | 5:38 AM | 8:06 PM | 14 h 28 min |
| July | 5:50 AM | 8:05 PM | 14 h 15 min |
| August | 6:12 AM | 7:40 PM | 13 h 27 min |
| September | 6:34 AM | 6:59 PM | 12 h 25 min |
| October | 6:56 AM | 6:19 PM | 11 h 22 min |
| November | 6:23 AM | 4:49 PM | 10 h 25 min |
| December | 6:48 AM | 4:45 PM | 9 h 56 min |
Times for the 15th of each month, local time (America/Los Angeles).
What is the weather like in Irwindale?
Irwindale has a hot-summer mediterranean climate. The warmest month is August, with an average high of 87°F (31°C), and the coldest is December, with average lows of 45°F (7°C).
It gets about 15.7 inches (398 mm) of precipitation a year. The wettest month is February and the driest is August.
The best time to visit Irwindale is April to June and October. At 469 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Irwindale
Weather in towns near Irwindale
Questions about the weather in Irwindale
What is the hottest month in Irwindale?
August, with an average high of 87°F (31°C).
What is the coldest month in Irwindale?
December, with an average low of 45°F (7°C).
How much does it rain in Irwindale?
About 15.7 inches (398 mm) a year; the wettest month is February.
Does it snow in Irwindale?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Irwindale?
April to June and October, when temperatures are most pleasant and rainy days are fewer.
What climate does Irwindale have?
Hot-summer mediterranean (Köppen Csa).
What is the weather like in Irwindale in November?
Highs average 74°F and lows 50°F, with about 0.9 inches of precipitation.
What time is sunrise in Irwindale?
Around 6:23 AM in mid-November, and sunset around 4:49 PM. Today’s exact times are shown above.
Where does this Irwindale weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Irwindale.
Last updated: