Williams, Arizona Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
Williams weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——85°59°—
- MondayJul 6Overcast——86°62°+1°
- TuesdayJul 7Overcast——90°62°+4°
- WednesdayJul 8Clear——90°62°0°
- ThursdayJul 9Clear——91°62°+1°
- FridayJul 10Clear——90°60°-1°
- SaturdayJul 11Light Drizzle11%0.01″92°60°+2°
AQI 130 (Unhealthy for Sensitive Groups), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 112.9 µg/m³ (AQI 191) with a 0.94 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion, especially during the projected peak around 5 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 112.9 µg/m³ (AQI 191) with a 0.94 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.94
- 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
- 10:45 PM
- Moonset
- 10:46 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
Williams at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- Last frost: March 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 86046
16-Day Forecast — Williams
- Sun85°59°3%
- Mon86°62°3%
- Tue90°62°3%
- Wed90°62°1%
- Thu91°62°1%
- Fri90°60°2%
- Sat92°60°11%
- Sun92°60°15%
- Mon94°62°28%
- Tue84°61°44%
- Wed83°58°33%
- Thu86°61°40%
- Fri94°64°35%
- Sat94°67°34%
- Sun96°67°23%
- Mon92°63°26%
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.
SPC Convective Outlook
Storm Prediction Center — Williams
SPC includes Williams in the general thunderstorm area tomorrow — no severe risk, but storms are possible.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Williams
- 86046