Stillwater, Oklahoma Weather
Heat settles and the rain begins. Day 90 of spring. Read this microseason across nine climate regions →
Stillwater weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 17Overcast——99°75°—
- ThursdayJun 18Thunderstorm42%0.07″82°70°-17°
- FridayJun 19T-storm w/ Hvy Hail62%—85°65°+3°
- SaturdayJun 20T-storm w/ Hvy Hail39%—89°70°+4°
- SundayJun 21T-storm w/ Hail59%0.17″87°69°-2°
- MondayJun 22Light Showers59%—74°64°-13°
- TuesdayJun 23Light Drizzle43%—81°67°+7°
AQI 38 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 11.3 µg/m³, PM10 at 11.6 µg/m³ — typical background levels with no transport signature.
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 38 now. With UV 3.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 around 1 PM.
- Present
- AQI 38
- UV peak
- 3.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 15
PM × Wind × Precip
PM2.5 at 11.3 µg/m³, PM10 at 11.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.97
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 8:43 AM
- Moonset
- 10:54 PM
- In sign
- ♌︎ Leo
Heat settles and the rain begins
Stillwater at a glance
- Today vs. normal: 79°F — typical for the season
- Last frost: March 24 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Stillwater
- Wed99°75°5%
- Thu82°70°42%
- Fri85°65°62%
- Sat89°70°39%
- Sun87°69°59%
- Mon74°64°59%
- Tue81°67°43%
- Wed82°62°33%
- Thu93°66°31%
- Fri94°74°15%
- Sat94°76°14%
- Sun94°68°19%
- Mon74°65°16%
- Tue81°60°24%
- Wed73°61°23%
- Thu80°58°23%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Stillwater
Right now in the garden
Peak growing season
As of June 17, 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 — Stillwater
SPC has placed Stillwater in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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 Stillwater
- 74078
- 74077
- 74075
- 74074
- 74076