Current weather conditions and 15 day weather forecast for Dayton, South Dakota, 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 21.4 ° C / 70.5°F ![]() Sunny |
Feels Like : 21.4 ° C / 70.5°F Humidity : % 26 Pressure : 1014 mb Wind Speed : 32 kmph / 19.9 miles from NW ![]() 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 | Sunny |
15.2 ° C (59.4°F) |
27.5 ° C (81.5°F) |
21.2 ° C (70.2°F) |
% 31 | 0% | 7.3 | Sunrise:06:05 AM Sunset: 08:41 PM |
Moonrise:03:41 AM Moonset: 03:57 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Sunny |
9.5 ° C (49.2°F) |
25.3 ° C (77.5°F) |
17.7 ° C (63.9°F) |
% 39 | 0% | 7.4 | Sunrise:06:04 AM Sunset: 08:42 PM |
Moonrise:04:01 AM Moonset: 05:12 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Patchy rain nearby |
15.1 ° C (59.1°F) |
25.7 ° C (78.3°F) |
19.7 ° C (67.5°F) |
% 51 | 85% | 7.5 | Sunrise:06:03 AM Sunset: 08:43 PM |
Moonrise:04:23 AM Moonset: 06:30 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
14.3 ° C (57.8°F) |
25.9 ° C (78.6°F) |
20.2 ° C (68.3°F) |
% 52 | 85% | 0.2 | Sunrise:06:02 AM Sunset: 08:44 PM |
Moonrise:04:50 AM Moonset: 07:53 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Heavy rain |
14.2 ° C (57.6°F) |
27.8 ° C (82°F) |
19.9 ° C (67.7°F) |
% 49 | 87% | 4 | Sunrise:06:01 AM Sunset: 08:45 PM |
Moonrise:05:24 AM Moonset: 09:17 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Moderate rain |
17.3 ° C (63.2°F) |
24.5 ° C (76.1°F) |
20.7 ° C (69.3°F) |
% 83 | 80% | 5 | Sunrise:06:00 AM Sunset: 08:46 PM |
Moonrise:06:07 AM Moonset: 10:37 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
10.9 ° C (51.6°F) |
19.5 ° C (67°F) |
15.3 ° C (59.5°F) |
% 81 | 82% | 4 | Sunrise:05:59 AM Sunset: 08:47 PM |
Moonrise:07:03 AM Moonset: 11:46 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
9.4 ° C (48.9°F) |
19.7 ° C (67.4°F) |
14.3 ° C (57.8°F) |
% 61 | 0% | 4 | Sunrise:05:58 AM Sunset: 08:48 PM |
Moonrise:08:12 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
13.7 ° C (56.7°F) |
24.5 ° C (76.1°F) |
18.5 ° C (65.3°F) |
% 61 | 89% | 4 | Sunrise:05:57 AM Sunset: 08:49 PM |
Moonrise:09:31 AM Moonset: 12:40 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
12.2 ° C (53.9°F) |
24.7 ° C (76.5°F) |
18.4 ° C (65.2°F) |
% 46 | 0% | 5 | Sunrise:05:56 AM Sunset: 08:50 PM |
Moonrise:10:50 AM Moonset: 01:21 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Patchy rain nearby |
15.5 ° C (59.8°F) |
22.6 ° C (72.7°F) |
18.3 ° C (65°F) |
% 79 | 89% | 4 | Sunrise:05:56 AM Sunset: 08:51 PM |
Moonrise:12:06 PM Moonset: 01:52 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Partly Cloudy |
11.9 ° C (53.5°F) |
19.2 ° C (66.6°F) |
15.7 ° C (60.3°F) |
% 67 | 0% | 5 | Sunrise:05:55 AM Sunset: 08:52 PM |
Moonrise:01:19 PM Moonset: 02:17 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
10.4 ° C (50.7°F) |
24.8 ° C (76.7°F) |
17.5 ° C (63.5°F) |
% 55 | 0% | 5 | Sunrise:05:54 AM Sunset: 08:53 PM |
Moonrise:02:27 PM Moonset: 02:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Patchy rain nearby |
14.8 ° C (58.7°F) |
25.8 ° C (78.4°F) |
20.1 ° C (68.2°F) |
% 72 | 86% | 5 | Sunrise:05:53 AM Sunset: 08:54 PM |
Moonrise:03:34 PM Moonset: 02:57 AM Moon Phase ( Waxing Gibbous ) |
|