Fort Irwin, California Weather
Coastal fog thickens at dawn. Day 77 of spring. Read this microseason across nine climate regions →
Fort Irwin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Mostly Clear——97°67°—
- ThursdayJun 4Clear——99°69°+2°
- FridayJun 5Mostly Clear——99°68°0°
- SaturdayJun 6Overcast——96°69°-3°
- SundayJun 7Overcast——93°63°-3°
- MondayJun 8Mostly Clear——94°61°+1°
- TuesdayJun 9Mostly Clear——94°62°0°
Ozone at AQI 70 now. AQI up 6 over the last 6 hours (gradual rise). With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 17 by mid-afternoon.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 AM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 70 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 17 by mid-afternoon.
- Present
- AQI 70
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 17
PM × Wind × Precip
PM10 at 39.5 µg/m³ (AQI 37) with a 0.28 fine-to-coarse ratio under 17 mph wind — coarse road or agricultural dust being kicked up.
- PM2.5/PM10
- 0.28
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- blown dust
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:03 AM
- Moonset
- 4:07 PM
- In sign
- ♑︎ Capricorn
Coastal fog thickens at dawn
Fort Irwin at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: March 18 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 4, 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.