Stillwater (OK)
August
Weather in Stillwater, Oklahoma for August 2026
Your guide to Stillwater weather in August - trends and predictions
In general, the average temperature in Stillwater at the beginning of August is 34.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 29.1 °F by the end of August.
Stillwater experiences moderate rainfall in August, with an average of 6 rainy days and a total precipitation of 41.6 mm.
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Temperatures
Rain 🌧️
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25
Dry days
6
Rainy days
0
Snow days
36°/23°
Temperatures
21 km/h
Avg max wind
45 %
Avg humidity
Stillwater Weather August
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Temperatures trend during August in Stillwater
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August weather in Stillwater day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Cloudy | 34° /23° | 0 mm | 8 | |
| Aug. 2 | Cloudy | 34° /22° | 0.3 mm | 8 | |
| Aug. 3 |  Sunny | 31° /21° | 2.2 mm | 8 | |
| Aug. 4 | Sunny | 32° /21° | 7.3 mm | 8 | |
| Aug. 5 | Sunny | 37° /22° | 0 mm | 9 | |
| Aug. 6 | Sunny | 38° /23° | 0 mm | 9 | |
| Aug. 7 | Sunny | 38° /22° | 0 mm | 9 | |
| Aug. 8 |  Patchy rain possible | 37° /24° | 0.2 mm | 9 | |
| Aug. 9 | Patchy rain possible | 34° /23° | 0.1 mm | 8 | |
| Aug. 10 |  Moderate or heavy rain shower | 31° /20° | 3 mm | 7 | |
| Aug. 11 | Moderate or heavy rain shower | 32° /20° | 16.5 mm | 7 | |
| Aug. 12 | Cloudy | 35° /22° | 1.1 mm | 8 | |
| Aug. 13 |  Partly cloudy | 34° /22° | 0 mm | 8 | |
| Aug. 14 | Patchy rain possible | 37° /24° | 0.1 mm | 8 | |
| Aug. 15 |  Heavy rain at times | 38° /23° | 1.1 mm | 8 | |
| Aug. 16 | Sunny | 38° /24° | 0.1 mm | 9 | |
| Aug. 17 | Cloudy | 38° /23° | 0 mm | 9 | |
| Aug. 18 | Sunny | 40° /25° | 0 mm | 9 | |
| Aug. 19 | Sunny | 35° /24° | 4.8 mm | 8 | |
| Aug. 20 | Cloudy | 33° /23° | 0 mm | 7 | |
| Aug. 21 | Sunny | 33° /20° | 0 mm | 8 | |
| Aug. 22 | Cloudy | 32° /19° | 0 mm | 7 | |
| Aug. 23 | Sunny | 34° /20° | 1.1 mm | 8 | |
| Aug. 24 | Partly cloudy | 35° /22° | 1.5 mm | 8 | |
| Aug. 25 |  Overcast | 29° /21° | 83.9 mm | 7 | |
| Aug. 26 | Heavy rain at times | 28° /20° | 0.6 mm | 7 | |
| Aug. 27 | Partly cloudy | 29° /21° | 0.1 mm | 7 | |
| Aug. 28 | Cloudy | 29° /20° | 12.9 mm | 7 | |
| Aug. 29 | Overcast | 31° /21° | 0 mm | 7 | |
| Aug. 30 | Patchy rain possible | 27° /21° | 1.4 mm | 6 | |
| Aug. 31 | Patchy rain possible | 31° /19° | 3.9 mm | 7 | |
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Important Notice
Our weather forecast for Stillwater in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Stillwater forecast closer to your planned date for the most up-to-date weather information.
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Stillwater in August - FAQ
What are the expected maximum and minimum temperatures in Stillwater during August?
With daytime temperatures soaring above 36° and not dropping much below 23° at night, August in Stillwater is quite hot. Staying hydrated and avoiding peak sun hours is advisable.
How much rainfall should be expected in Stillwater during August?
In August, Stillwater can expect light to moderate rainfall, totaling 41.6 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Stillwater during August?
The average wind speed in Stillwater during August is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Stillwater
Explore the daily rainfall trends and prepare for Stillwaters August weather 💧
UV exposure in Stillwater during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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