Onondaga County (Syracuse)
August
Weather in Onondaga County, New York for August 2026
Your guide to Onondaga County weather in August - trends and predictions
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So far, August 2026 in Onondaga County is slightly warmer than the historical average by 1.5 °F.
Expect cooler weather in the next days in Onondaga County with the forecast suggesting a temperature of 23.7 °F, lower than the historical average.
In general, the average temperature in Onondaga County at the beginning of August is 27.4 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 24.6 °F by the end of August.
Onondaga County experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 147.9 mm.
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Temperatures
Rain 🌧️
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10
Dry days
21
Rainy days
0
Snow days
24°/14°
Temperatures
15 km/h
Avg max wind
77 %
Avg humidity
Onondaga County Weather August
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Temperatures trend during August in Onondaga County
See the weather trend as well as the moving average line
August weather in Onondaga County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 |  Patchy rain possible | 27° /17° | 0.8 mm | 7 | |
| Aug. 2 | Patchy rain possible | 28° /16° | 2.3 mm | 7 | |
| Aug. 3 | Light rain shower | 26° /16° | 4 mm | 7 | |
| Aug. 4 | Patchy rain possible | 29° /17° | 0.2 mm | 8 | |
| Aug. 5 |  Patchy light rain | 28° /16° | 1 mm | 7 | |
| Aug. 6 | Patchy light drizzle | 26° /17° | 6.9 mm | 7 | |
| Aug. 7 |  Sunny | 28° /16° | 4.6 mm | 7 | |
| Aug. 8 | Light rain shower | 26° /17° | 3.9 mm | 7 | |
| Aug. 9 | Sunny | 26° /18° | 36.8 mm | 7 | |
| Aug. 10 | Patchy rain possible | 28° /16° | 2 mm | 7 | |
| Aug. 11 | Light rain shower | 27° /16° | 1.7 mm | 8 | |
| Aug. 12 | Light rain shower | 27° /16° | 3.2 mm | 7 | |
| Aug. 13 | Patchy rain possible | 27° /17° | 4.5 mm | 7 | |
| Aug. 14 | Light rain shower | 27° /16° | 2 mm | 7 | |
| Aug. 15 | Patchy rain possible | 27° /14° | 0.3 mm | 7 | |
| Aug. 16 | Sunny | 27° /15° | 2.8 mm | 6 | |
| Aug. 17 |  Patchy light rain with thunder | 26° /17° | 7.4 mm | 5 | |
| Aug. 18 | Light drizzle | 24° /15° | 1.7 mm | 6 | |
| Aug. 19 | Light rain shower | 22° /13° | 1.9 mm | 5 | |
| Aug. 20 | Light rain shower | 18° /12° | 0.8 mm | 3 | |
| Aug. 21 |  Overcast | 21° /10° | 1.2 mm | 6 | |
| Aug. 22 | Patchy light drizzle | 25° /11° | 0.3 mm | 6 | |
| Aug. 23 | Sunny | 25° /13° | 7.7 mm | 5 | |
| Aug. 24 |  Partly cloudy | 24° /15° | 12.9 mm | 5 | |
| Aug. 25 | Sunny | 24° /14° | 8 mm | 5 | |
| Aug. 26 | Overcast | 25° /13° | 0.4 mm | 6 | |
| Aug. 27 | Sunny | 29° /18° | 8.4 mm | 5.6 | |
| Aug. 28 | Sunny | 20° /13° | 2.1 mm | 5 | |
| Aug. 29 | Sunny | 24° /11° | 0 mm | 6 | |
| Aug. 30 | Overcast | 27° /17° | 0 mm | 7 | |
| Aug. 31 | Light rain shower | 23° /16° | 4.7 mm | 5 | |
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Important Notice
Our weather forecast for Onondaga County 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 Onondaga County forecast closer to your planned date for the most up-to-date weather information.
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Onondaga County in August - FAQ
What are the expected maximum and minimum temperatures in Onondaga County during August?
Enjoy moderate daytime temperatures of up to 24° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Onondaga County during August?
Significant rainfall exceeding 147.9 mm is expected in Onondaga County during August, occurring over more than 21 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Onondaga County during August?
The average wind speed in Onondaga County during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Onondaga County
Explore the daily rainfall trends and prepare for Onondaga Countys August weather 💧
Typically, Onondaga County has 21 rainy days in August with a total of 147.9 mm of rainfall.
UV exposure in Onondaga County during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Where is Onondaga County?Get accurate weather forecasts for Onondaga County, located at latitude 43.048 and longitude -76.147. Stay updated with localized weather information tailored for Onondaga County.
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