Current weather conditions and 15 day weather forecast for Riverton, 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.
| 11 May 2026 Monday 9.3 ° C / 48.7°F ![]() Clear |
Feels Like : 7.4 ° C / 45.4°F Humidity : % 57 Pressure : 1021 mb Wind Speed : 12.2 kmph / 7.6 miles from SSW ![]() 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 11 May 2026 Monday | Sunny |
8.7 ° C (47.7°F) |
28.5 ° C (83.3°F) |
17.7 ° C (63.9°F) |
% 51 | 0% | 8 | Sunrise:06:09 AM Sunset: 08:29 PM |
Moonrise:03:14 AM Moonset: 02:44 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday | Sunny |
14.4 ° C (58°F) |
26.6 ° C (79.8°F) |
20 ° C (68°F) |
% 50 | 0% | 7.7 | Sunrise:06:08 AM Sunset: 08:30 PM |
Moonrise:03:36 AM Moonset: 03:53 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Sunny |
13.2 ° C (55.8°F) |
27.5 ° C (81.4°F) |
20.4 ° C (68.7°F) |
% 37 | 0% | 7.8 | Sunrise:06:07 AM Sunset: 08:31 PM |
Moonrise:03:59 AM Moonset: 05:05 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Sunny |
14.3 ° C (57.8°F) |
28.7 ° C (83.6°F) |
21.4 ° C (70.5°F) |
% 58 | 0% | 7.7 | Sunrise:06:06 AM Sunset: 08:32 PM |
Moonrise:04:24 AM Moonset: 06:21 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Sunny |
19.7 ° C (67.4°F) |
31.9 ° C (89.4°F) |
23.9 ° C (75°F) |
% 65 | 0% | 0.1 | Sunrise:06:06 AM Sunset: 08:33 PM |
Moonrise:04:53 AM Moonset: 07:41 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
19.4 ° C (66.9°F) |
29.8 ° C (85.7°F) |
23.6 ° C (74.5°F) |
% 64 | 62% | 5 | Sunrise:06:05 AM Sunset: 08:34 PM |
Moonrise:05:29 AM Moonset: 09:02 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
14.1 ° C (57.4°F) |
27.5 ° C (81.5°F) |
20.8 ° C (69.4°F) |
% 41 | 0% | 6 | Sunrise:06:04 AM Sunset: 08:35 PM |
Moonrise:06:14 AM Moonset: 10:21 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
15.7 ° C (60.2°F) |
30.4 ° C (86.7°F) |
22.2 ° C (71.9°F) |
% 60 | 73% | 5 | Sunrise:06:03 AM Sunset: 08:36 PM |
Moonrise:07:12 AM Moonset: 11:30 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
19 ° C (66.2°F) |
29.8 ° C (85.6°F) |
24.3 ° C (75.7°F) |
% 67 | 84% | 5 | Sunrise:06:02 AM Sunset: 08:37 PM |
Moonrise:08:20 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
15.2 ° C (59.3°F) |
27.3 ° C (81.2°F) |
21.2 ° C (70.1°F) |
% 77 | 84% | 5 | Sunrise:06:01 AM Sunset: 08:37 PM |
Moonrise:09:37 AM Moonset: 12:25 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
19 ° C (66.2°F) |
27 ° C (80.7°F) |
22.2 ° C (71.9°F) |
% 74 | 81% | 5 | Sunrise:06:01 AM Sunset: 08:38 PM |
Moonrise:10:54 AM Moonset: 01:08 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Sunny |
13.6 ° C (56.4°F) |
24.1 ° C (75.4°F) |
18.6 ° C (65.5°F) |
% 54 | 0% | 5 | Sunrise:06:00 AM Sunset: 08:39 PM |
Moonrise:12:08 PM Moonset: 01:42 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
16.4 ° C (61.5°F) |
28.7 ° C (83.6°F) |
22 ° C (71.7°F) |
% 72 | 86% | 5 | Sunrise:05:59 AM Sunset: 08:40 PM |
Moonrise:01:18 PM Moonset: 02:09 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
18.2 ° C (64.7°F) |
32.3 ° C (90.2°F) |
24.8 ° C (76.7°F) |
% 72 | 84% | 5 | Sunrise:05:58 AM Sunset: 08:41 PM |
Moonrise:02:24 PM Moonset: 02:32 AM Moon Phase ( Waxing Gibbous ) |
|