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Riley County (Manhattan)
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United States weather

Weather in Riley County, Kansas for August 2026

Your guide to Riley County weather in August - trends and predictions

    Temperatures

  • The forecast for the upcoming days in Riley County predicts a temperature of 37.1 °F, which is slightly above the historical average.

  • In general, the average temperature in Riley County at the beginning of August is 34 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24.3 °F by the end of August.

    • Rain 🌧️

  • Riley County experiences moderate rainfall in August, with an average of 9 rainy days and a total precipitation of 99.9 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
22
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/19°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Riley County Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Fog
26°
2
Sunny
34°
3
Sunny
38°
4
Sunny
37°
5
Sunny
37°
6
Sunny
34°
7
Thundery outbreaks possible
32°
8
Sunny
36°
9
Sunny
38°
10
Sunny
37°
11
Sunny
41°
12
Sunny
42°
13
Sunny
38°
14
Sunny
38°
15
Thundery outbreaks possible
37°
16
Sunny
38°
17
Sunny
36°
18
Thundery outbreaks possible
38°
19
Cloudy
29°
20
Fog
34°
21
Partly cloudy
30°
22
Overcast
33°
23
Fog
30°
24
Overcast
26°
25
Overcast
25°
26
Mist
28°
27
Light rain
18°
28
Light rain shower
23°
29
Fog
27°
30
Mist
26°
31
Light rain shower
23°

Temperatures trend during August in Riley County

See the weather trend as well as the moving average line

August weather in Riley County day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Fog
Fog
 26° /16° 0 mm 10
Aug. 2 Sunny
Sunny
 34° /18° 0 mm 9.5
Aug. 3 Sunny
Sunny
 38° /18° 0 mm 9.5
Aug. 4 Sunny
Sunny
 37° /20° 0 mm 8.3
Aug. 5 Sunny
Sunny
 37° /20° 2.6 mm 8.6
Aug. 6 Sunny
Sunny
 34° /19° 87.1 mm 8
Aug. 7 Thundery outbreaks possible
Thundery outbreaks possible
 32° /18° 1.8 mm 7
Aug. 8 Sunny
Sunny
 36° /20° 0.2 mm 9
Aug. 9 Sunny
Sunny
 38° /21° 0.3 mm 9
Aug. 10 Sunny
Sunny
 37° /21° 0 mm 9
Aug. 11 Sunny
Sunny
 41° /25° 0 mm 10
Aug. 12 Sunny
Sunny
 42° /29° 0 mm 10
Aug. 13 Sunny
Sunny
 38° /25° 2.9 mm 9
Aug. 14 Sunny
Sunny
 38° /21° 2.4 mm 9
Aug. 15 Thundery outbreaks possible
Thundery outbreaks possible
 37° /22° 0 mm 10
Aug. 16 Sunny
Sunny
 38° /24° 0 mm 10
Aug. 17 Sunny
Sunny
 36° /22° 0 mm 10
Aug. 18 Thundery outbreaks possible
Thundery outbreaks possible
 38° /22° 0 mm 10
Aug. 19 Cloudy
Cloudy
 29° /23° 0 mm 10
Aug. 20 Fog
Fog
 34° /20° 0 mm 10
Aug. 21 Partly cloudy
Partly cloudy
 30° /19° 0 mm 10
Aug. 22 Overcast
Overcast
 33° /20° 0 mm 10
Aug. 23 Fog
Fog
 30° /17° 2.2 mm 8
Aug. 24 Overcast
Overcast
 26° /13° 0.4 mm 10
Aug. 25 Overcast
Overcast
 25° /15° 0 mm 6
Aug. 26 Mist
Mist
 28° /12° 0 mm 9
Aug. 27 Light rain
Light rain
 18° /13° 1.7 mm 2
Aug. 28 Light rain shower
Light rain shower
 23° /14° 14.6 mm 5
Aug. 29 Fog
Fog
 27° /16° 0 mm 5
Aug. 30 Mist
Mist
 26° /17° 8.4 mm 5
Aug. 31 Light rain shower
Light rain shower
 23° /18° 13.3 mm 2
Next
Important Notice
Our weather forecast for Riley 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 Riley County forecast closer to your planned date for the most up-to-date weather information.
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Riley County in August - FAQ

What are the expected maximum and minimum temperatures in Riley County during August?
Expect warm days with temperatures around 30°, cooling to mild conditions of 19° after sunset. Perfect for those who enjoy warm weather.

How much rainfall should be expected in Riley County during August?
Moderate rainfall is anticipated in Riley County during August, with a total of 99.9 mm spread over approximately 9 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Riley County during August?
The average wind speed in Riley County during August is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Riley County

Explore the daily rainfall trends and prepare for Riley Countys August weather 💧
Typically, Riley County has 9 rainy days in August with a total of 99.9 mm of rainfall.

UV exposure in Riley County during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Manhattan
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Location coordinates Where is Riley County?

Get accurate weather forecasts for Riley County, located at latitude 39.184 and longitude -96.572. Stay updated with localized weather information tailored for Riley County.

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