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Weather in Grand Island, Nebraska for August 2026

Your guide to Grand Island weather in August - trends and predictions

    Temperatures

  • Until now, August 2026 in Grand Island is cooler than usual, with temperatures averaging 28.4 °F, this is 2.4 °F below the typical seasonal average.

  • The forecast for the upcoming days in Grand Island predicts a temperature of 35.3 °F, which is slightly above the historical average.

  • In general, the average temperature in Grand Island at the beginning of August is 30.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 29.3 °F by the end of August.

    • Rain 🌧️

  • The climate of Grand Island in August is notably wet, with an average of 15 rainy days, and a total of 124.7 mm of precipitation.

    • More

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

Average dry days
16
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/18°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Grand Island Weather August

Move between months or click on a day
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
31°
2
Sunny
31°
3
Patchy rain possible
30°
4
Sunny
30°
5
Patchy rain possible
32°
6
Overcast
29°
7
Fog
33°
8
Light drizzle
30°
9
Sunny
31°
10
Sunny
39°
11
Sunny
44°
12
Sunny
39°
13
Patchy rain possible
29°
14
Patchy rain possible
26°
15
Sunny
28°
16
Sunny
33°
17
Sunny
33°
18
Sunny
40°
19
Sunny
36°
20
Sunny
37°
21
Sunny
43°
22
Sunny
36°
23
Patchy rain possible
30°
24
Partly cloudy
28°
25
Partly cloudy
33°
26
Patchy rain possible
34°
27
Patchy rain possible
28°
28
Sunny
29°
29
Light rain shower
29°
30
Sunny
26°
31
Sunny
26°

Temperatures trend during August in Grand Island

See the weather trend as well as the moving average line

August weather in Grand Island day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Sunny
Sunny
 31° /17° 0 mm 9
Aug. 2 Sunny
Sunny
 31° /17° 0 mm 8
Aug. 3 Patchy rain possible
Patchy rain possible
 30° /18° 14 mm 8
Aug. 4 Sunny
Sunny
 30° /18° 0.8 mm 8
Aug. 5 Patchy rain possible
Patchy rain possible
 32° /19° 6 mm 9
Aug. 6 Overcast
Overcast
 29° /18° 0.1 mm 7
Aug. 7 Fog
Fog
 33° /17° 0.6 mm 9
Aug. 8 Light drizzle
Light drizzle
 30° /17° 1.4 mm 8
Aug. 9 Sunny
Sunny
 31° /20° 0 mm 7.5
Aug. 10 Sunny
Sunny
 39° /21° 0 mm 4.7
Aug. 11 Sunny
Sunny
 44° /23° 0.5 mm 6.5
Aug. 12 Sunny
Sunny
 39° /19° 0 mm 7.1
Aug. 13 Patchy rain possible
Patchy rain possible
 29° /19° 2.4 mm 7
Aug. 14 Patchy rain possible
Patchy rain possible
 26° /19° 4.7 mm 7
Aug. 15 Sunny
Sunny
 28° /19° 7.6 mm 7
Aug. 16 Sunny
Sunny
 33° /19° 0 mm 8
Aug. 17 Sunny
Sunny
 33° /18° 0.1 mm 8
Aug. 18 Sunny
Sunny
 40° /19° 0 mm 10
Aug. 19 Sunny
Sunny
 36° /19° 0 mm 9
Aug. 20 Sunny
Sunny
 37° /16° 1.6 mm 9
Aug. 21 Sunny
Sunny
 43° /21° 0 mm 10
Aug. 22 Sunny
Sunny
 36° /20° 0 mm 9
Aug. 23 Patchy rain possible
Patchy rain possible
 30° /19° 0.8 mm 7
Aug. 24 Partly cloudy
Partly cloudy
 28° /16° 3.3 mm 7
Aug. 25 Partly cloudy
Partly cloudy
 33° /18° 0.2 mm 8
Aug. 26 Patchy rain possible
Patchy rain possible
 34° /18° 2.6 mm 8
Aug. 27 Patchy rain possible
Patchy rain possible
 28° /17° 1 mm 7
Aug. 28 Sunny
Sunny
 29° /17° 0.3 mm 7
Aug. 29 Light rain shower
Light rain shower
 29° /17° 13.7 mm 7
Aug. 30 Sunny
Sunny
 26° /16° 34.2 mm 7
Aug. 31 Sunny
Sunny
 26° /15° 5.5 mm 6
Next
Important Notice
Our weather forecast for Grand Island 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 Grand Island forecast closer to your planned date for the most up-to-date weather information.
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Grand Island in August - FAQ

What are the expected maximum and minimum temperatures in Grand Island during August?
Expect warm days with temperatures around 30°, cooling to mild conditions of 18° after sunset. Perfect for those who enjoy warm weather.

How much rainfall should be expected in Grand Island during August?
Significant rainfall exceeding 124.7 mm is expected in Grand Island during August, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.

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

August rainfall patterns in Grand Island

Explore the daily rainfall trends and prepare for Grand Islands August weather 💧
Typically, Grand Island has 15 rainy days in August with a total of 124.7 mm of rainfall.

UV exposure in Grand Island during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️

Quick links

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Location coordinates Where is Grand Island?

Get accurate weather forecasts for Grand Island, located at latitude 40.925 and longitude -98.342. Stay updated with localized weather information tailored for Grand Island.

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