Mad River, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Mad River weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——84°66°—
- MondayJul 6Overcast——85°64°+1°
- TuesdayJul 7Clear——84°51°-1°
- WednesdayJul 8Clear——87°49°+3°
- ThursdayJul 9Clear——89°51°+2°
- FridayJul 10Overcast——87°50°-2°
- SaturdayJul 11Overcast——89°51°+2°
AQI 21 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 33. Overcast through the UV peak window (cloud cover ~97%) — afternoon ozone should stay flat.
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 33. Overcast through the UV peak window (cloud cover ~97%) — afternoon ozone should stay flat.
- Present
- AQI 33
- UV peak
- 4.8 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 5.3 µg/m³ (AQI 29) with a 0.78 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.78
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:35 PM
- Moonset
- 11:32 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Mad River at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 95552
16-Day Forecast — Mad River
- Sun84°66°1%
- Mon85°64°1%
- Tue84°51°0%
- Wed87°49°0%
- Thu89°51°0%
- Fri87°50°0%
- Sat89°51°0%
- Sun91°55°0%
- Mon90°55°2%
- Tue94°57°2%
- Wed96°59°3%
- Thu89°62°1%
- Fri91°60°0%
- Sat93°58°3%
- Sun96°57°3%
- Mon93°56°6%
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 Mad River
- 95552
- 95526