Twain, California Weather
Summer heat deepens across the valleys. Day 15 of summer. Read this microseason across nine climate regions →
Twain weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——83°61°—
- MondayJul 6Clear——82°60°-1°
- TuesdayJul 7Overcast——85°43°+3°
- WednesdayJul 8Clear——90°42°+5°
- ThursdayJul 9Clear——91°45°+1°
- FridayJul 10Overcast——91°47°0°
- SaturdayJul 11Overcast——94°48°+3°
AQI 33 (Good), driven by Ozone. AQI down 7 over the last 6 hours (gradual decline). Ozone at AQI 50. Overcast through the UV peak window (cloud cover ~100%) — 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 50. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 50
- UV peak
- 7.8 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 26
PM × Wind × Precip
PM2.5 at 7.1 µg/m³, PM10 at 12.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.56
- Wind
- calm
- 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
- 11:24 PM
- Moonset
- 11:22 AM
- In sign
- ♓︎ Pisces
Summer heat deepens across the valleys
Twain at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 95984
16-Day Forecast — Twain
- Sun83°61°1%
- Mon82°60°2%
- Tue85°43°0%
- Wed90°42°0%
- Thu91°45°0%
- Fri91°47°0%
- Sat94°48°0%
- Sun94°50°1%
- Mon98°57°3%
- Tue98°58°3%
- Wed94°66°2%
- Thu85°57°3%
- Fri94°52°3%
- Sat96°53°6%
- Sun98°55°13%
- Mon93°54°12%
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 Twain
- 95984