Current weather conditions and 15 day weather forecast for Grundy Center, Iowa, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 12 May 2026 Tuesday 25.1 ° C / 77.2°F ![]() Sunny |
Feels Like : 24 ° C / 75.2°F Humidity : % 31 Pressure : 1011 mb Wind Speed : 28.4 kmph / 17.7 miles from WNW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 May 2026 Tuesday | Patchy rain nearby |
12.4 ° C (54.3°F) |
29.1 ° C (84.4°F) |
19.3 ° C (66.8°F) |
% 40 | 87% | 6.6 | Sunrise:05:53 AM Sunset: 08:23 PM |
Moonrise:03:25 AM Moonset: 03:41 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Sunny |
10 ° C (50°F) |
20.9 ° C (69.6°F) |
14.9 ° C (58.8°F) |
% 52 | 0% | 7.7 | Sunrise:05:52 AM Sunset: 08:24 PM |
Moonrise:03:46 AM Moonset: 04:55 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Patchy rain nearby |
8.9 ° C (48°F) |
21.8 ° C (71.2°F) |
15.6 ° C (60.1°F) |
% 62 | 71% | 7.9 | Sunrise:05:51 AM Sunset: 08:25 PM |
Moonrise:04:09 AM Moonset: 06:12 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
12.6 ° C (54.7°F) |
29.4 ° C (84.9°F) |
20 ° C (68°F) |
% 60 | 85% | 0.2 | Sunrise:05:50 AM Sunset: 08:26 PM |
Moonrise:04:37 AM Moonset: 07:34 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
15.9 ° C (60.7°F) |
27.9 ° C (82.2°F) |
21.6 ° C (70.9°F) |
% 47 | 73% | 5 | Sunrise:05:49 AM Sunset: 08:27 PM |
Moonrise:05:11 AM Moonset: 08:57 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Patchy rain nearby |
16.9 ° C (62.5°F) |
24 ° C (75.2°F) |
20.8 ° C (69.5°F) |
% 85 | 86% | 5 | Sunrise:05:48 AM Sunset: 08:28 PM |
Moonrise:05:55 AM Moonset: 10:16 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Moderate rain |
16 ° C (60.7°F) |
26 ° C (78.8°F) |
22.5 ° C (72.4°F) |
% 80 | 77% | 5 | Sunrise:05:47 AM Sunset: 08:29 PM |
Moonrise:06:52 AM Moonset: 11:26 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Cloudy |
13.2 ° C (55.8°F) |
19.7 ° C (67.5°F) |
16.5 ° C (61.7°F) |
% 77 | 0% | 4 | Sunrise:05:46 AM Sunset: 08:30 PM |
Moonrise:08:01 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
13.8 ° C (56.8°F) |
26.6 ° C (79.9°F) |
20.2 ° C (68.4°F) |
% 75 | 72% | 5 | Sunrise:05:45 AM Sunset: 08:31 PM |
Moonrise:09:18 AM Moonset: 12:20 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Overcast |
15.5 ° C (60°F) |
24.6 ° C (76.3°F) |
19.5 ° C (67°F) |
% 65 | 0% | 4 | Sunrise:05:44 AM Sunset: 08:32 PM |
Moonrise:10:37 AM Moonset: 01:02 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Patchy rain nearby |
14.7 ° C (58.5°F) |
20.9 ° C (69.5°F) |
17.6 ° C (63.8°F) |
% 89 | 84% | 4 | Sunrise:05:43 AM Sunset: 08:33 PM |
Moonrise:11:53 AM Moonset: 01:34 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
14.6 ° C (58.3°F) |
18.2 ° C (64.7°F) |
17.1 ° C (62.8°F) |
% 92 | 88% | 4 | Sunrise:05:43 AM Sunset: 08:34 PM |
Moonrise:01:04 PM Moonset: 02:00 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
10.6 ° C (51.1°F) |
23 ° C (73.4°F) |
16.6 ° C (62°F) |
% 66 | 0% | 5 | Sunrise:05:42 AM Sunset: 08:35 PM |
Moonrise:02:12 PM Moonset: 02:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Sunny |
12 ° C (53.6°F) |
23.2 ° C (73.7°F) |
17.8 ° C (64.1°F) |
% 75 | 0% | 5 | Sunrise:05:41 AM Sunset: 08:36 PM |
Moonrise:03:18 PM Moonset: 02:41 AM Moon Phase ( Waxing Gibbous ) |
|