Williams, California Weather
Bay laurel fragrance sweetens shade. Day 89 of spring. Read this microseason across nine climate regions →
Williams weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Clear——97°61°—
- TuesdayJun 16Clear——95°61°-2°
- WednesdayJun 17Clear——106°62°+11°
- ThursdayJun 18Clear——105°62°-1°
- FridayJun 19Overcast——96°58°-9°
- SaturdayJun 20Clear——93°52°-3°
- SundayJun 21Mostly Clear——103°57°+10°
AQI 64 (Moderate), driven by Ozone. AQI up 16 in the last 6 hours — air quality is degrading. Ozone at AQI 35 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 around 1 PM.
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 35 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 around 1 PM.
- Present
- AQI 35
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 5.7 µg/m³, PM10 at 7.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.78
- Wind
- breezy
- 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).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 7:02 AM
- Moonset
- 9:58 PM
- In sign
- ♋︎ Cancer
Bay laurel fragrance sweetens shade
Williams at a glance
- Today vs. normal: 76°F — typical for the season
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Williams
- Mon97°61°0%
- Tue95°61°0%
- Wed106°62°0%
- Thu105°62°1%
- Fri96°58°4%
- Sat93°52°0%
- Sun103°57°0%
- Mon104°59°0%
- Tue109°61°0%
- Wed106°61°0%
- Thu106°61°0%
- Fri101°55°1%
- Sat111°66°0%
- Sun115°73°0%
- Mon112°68°0%
- Tue105°59°0%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 16, 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 Williams
- 95987