Current weather conditions and 15 day weather forecast for Derby, 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.
| 13 May 2026 Wednesday 24 ° C / 75.2°F ![]() Patchy rain nearby |
Feels Like : 24.5 ° C / 76.1°F Humidity : % 39 Pressure : 1014 mb Wind Speed : 33.1 kmph / 20.6 miles from WSW ![]() Visibility : 16 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 25 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 May 2026 Tuesday | Sunny |
14.9 ° C (58.8°F) |
28.9 ° C (84°F) |
21.2 ° C (70.2°F) |
% 41 | 0% | 7.2 | Sunrise:05:59 AM Sunset: 08:22 PM |
Moonrise:03:27 AM Moonset: 03:44 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Sunny |
9.9 ° C (49.8°F) |
21 ° C (69.7°F) |
15.3 ° C (59.5°F) |
% 53 | 0% | 7.7 | Sunrise:05:58 AM Sunset: 08:23 PM |
Moonrise:03:50 AM Moonset: 04:56 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Patchy rain nearby |
9.2 ° C (48.6°F) |
20.9 ° C (69.6°F) |
15.4 ° C (59.8°F) |
% 68 | 87% | 8.1 | Sunrise:05:57 AM Sunset: 08:24 PM |
Moonrise:04:14 AM Moonset: 06:12 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
13.9 ° C (57°F) |
28.6 ° C (83.5°F) |
20.7 ° C (69.2°F) |
% 68 | 75% | 0.2 | Sunrise:05:56 AM Sunset: 08:25 PM |
Moonrise:04:42 AM Moonset: 07:32 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Moderate rain |
14.5 ° C (58.2°F) |
29 ° C (84.3°F) |
21.1 ° C (70°F) |
% 62 | 89% | 5 | Sunrise:05:55 AM Sunset: 08:26 PM |
Moonrise:05:18 AM Moonset: 08:54 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Patchy rain nearby |
17.2 ° C (63°F) |
25.8 ° C (78.4°F) |
21.6 ° C (70.8°F) |
% 87 | 74% | 5 | Sunrise:05:54 AM Sunset: 08:27 PM |
Moonrise:06:03 AM Moonset: 10:13 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
17.8 ° C (64.1°F) |
26 ° C (78.8°F) |
22.7 ° C (72.9°F) |
% 82 | 83% | 5 | Sunrise:05:53 AM Sunset: 08:27 PM |
Moonrise:07:00 AM Moonset: 11:22 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
13.7 ° C (56.7°F) |
20.4 ° C (68.6°F) |
17.3 ° C (63.1°F) |
% 83 | 88% | 4 | Sunrise:05:52 AM Sunset: 08:28 PM |
Moonrise:08:09 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Moderate rain |
16.2 ° C (61.1°F) |
27.6 ° C (81.7°F) |
21.3 ° C (70.4°F) |
% 78 | 83% | 5 | Sunrise:05:51 AM Sunset: 08:29 PM |
Moonrise:09:26 AM Moonset: 12:17 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Moderate rain |
16.4 ° C (61.5°F) |
24.2 ° C (75.6°F) |
19.6 ° C (67.2°F) |
% 75 | 73% | 4 | Sunrise:05:50 AM Sunset: 08:30 PM |
Moonrise:10:43 AM Moonset: 01:00 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Moderate rain |
16.5 ° C (61.8°F) |
21.8 ° C (71.3°F) |
19.6 ° C (67.3°F) |
% 86 | 78% | 4 | Sunrise:05:50 AM Sunset: 08:31 PM |
Moonrise:11:58 AM Moonset: 01:34 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
14 ° C (57.2°F) |
22.9 ° C (73.3°F) |
18.1 ° C (64.6°F) |
% 87 | 82% | 4 | Sunrise:05:49 AM Sunset: 08:32 PM |
Moonrise:01:08 PM Moonset: 02:00 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
11.6 ° C (52.9°F) |
21.8 ° C (71.3°F) |
16.4 ° C (61.5°F) |
% 74 | 0% | 5 | Sunrise:05:48 AM Sunset: 08:33 PM |
Moonrise:02:15 PM Moonset: 02:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Sunny |
11.6 ° C (53°F) |
24 ° C (75.3°F) |
18.3 ° C (64.9°F) |
% 82 | 0% | 5 | Sunrise:05:48 AM Sunset: 08:34 PM |
Moonrise:03:20 PM Moonset: 02:44 AM Moon Phase ( Waxing Gibbous ) |
|