Twain, California Weather
Warm winds drive dryness inland. Day 16 of summer. Read this microseason across nine climate regions →
Twain weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 6Clear——83°59°—
- TuesdayJul 7Clear——83°59°0°
- WednesdayJul 8Clear——86°41°+3°
- ThursdayJul 9Clear——92°46°+6°
- FridayJul 10Mostly Clear——89°47°-3°
- SaturdayJul 11Overcast——92°49°+3°
- SundayJul 12Overcast——91°48°-1°
AQI 31 (Good), driven by Ozone. AQI up 7 over the last 6 hours (gradual rise). Ozone at AQI 50 now. With UV 10 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 67.
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 now. With UV 10 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 67.
- Present
- AQI 50
- UV peak
- 10.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 67
PM × Wind × Precip
PM2.5 at 5.8 µg/m³ (AQI 32), ratio 0.58 with 7 mph wind — characteristic of long-range haze transport rather than a local source.
- PM2.5/PM10
- 0.58
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- transport
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).








































When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:47 PM
- Moonset
- 12:30 PM
- In sign
- ♈︎ Aries
Warm winds drive dryness inland
Twain at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 95984
16-Day Forecast — Twain
- Mon83°59°1%
- Tue83°59°0%
- Wed86°41°0%
- Thu92°46°0%
- Fri89°47°0%
- Sat92°49°0%
- Sun91°48°2%
- Mon82°55°4%
- Tue89°57°3%
- Wed91°50°4%
- Thu92°49°9%
- Fri96°50°3%
- Sat99°56°3%
- Sun97°56°10%
- Mon92°55°10%
- Tue91°49°10%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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