Fort Irwin, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Fort Irwin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——99°78°—
- MondayJul 6Clear——100°71°+1°
- TuesdayJul 7Clear——104°72°+4°
- WednesdayJul 8Clear——105°73°+1°
- ThursdayJul 9Clear——108°74°+3°
- FridayJul 10Partly Cloudy——106°74°-2°
- SaturdayJul 11Overcast——106°77°0°
AQI 30 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.2 µg/m³, PM10 at 23.1 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 32. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 32
- UV peak
- 9.9 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 21
PM × Wind × Precip
PM2.5 at 9.2 µg/m³, PM10 at 23.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.40
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:03 PM
- Moonset
- 11:05 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Fort Irwin at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: March 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 92310
16-Day Forecast — Fort Irwin
- Sun99°78°1%
- Mon100°71°1%
- Tue104°72°0%
- Wed105°73°0%
- Thu108°74°0%
- Fri106°74°0%
- Sat106°77°1%
- Sun99°78°3%
- Mon103°75°8%
- Tue104°81°13%
- Wed102°80°9%
- Thu104°83°13%
- Fri108°85°13%
- Sat103°83°10%
- Sun105°81°9%
- Mon106°83°13%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
ZIP codes in Fort Irwin
- 92310