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.
| 11 August 2026 Tuesday 29.4 ° C / 84.9°F ![]() Sunny |
Feels Like : 32.4 ° C / 90.3°F Humidity : % 64 Pressure : 1007 mb Wind Speed : 9.4 kmph / 5.8 miles from SE ![]() Visibility : 9 km Precipitation (rainfall) : 0 mm Cloud (%) : 7 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 August 2026 Monday | Sunny |
18 ° C (64.4°F) |
31.8 ° C (89.2°F) |
25.1 ° C (77.1°F) |
% 77 | 8% | 5.7 | Sunrise:06:25 AM Sunset: 08:37 PM |
Moonrise:03:03 AM Moonset: 07:24 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
19.8 ° C (67.6°F) |
38.7 ° C (101.7°F) |
28.7 ° C (83.6°F) |
% 58 | 58% | 6.3 | Sunrise:06:26 AM Sunset: 08:35 PM |
Moonrise:04:24 AM Moonset: 08:03 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
18.2 ° C (64.8°F) |
32.2 ° C (90°F) |
25.7 ° C (78.3°F) |
% 62 | 57% | 7 | Sunrise:06:28 AM Sunset: 08:34 PM |
Moonrise:05:50 AM Moonset: 08:35 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Partly Cloudy |
18.1 ° C (64.6°F) |
24.5 ° C (76.1°F) |
20.4 ° C (68.8°F) |
% 84 | 72% | 3.4 | Sunrise:06:29 AM Sunset: 08:32 PM |
Moonrise:07:14 AM Moonset: 09:01 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Patchy rain nearby |
15.3 ° C (59.6°F) |
29.9 ° C (85.8°F) |
21 ° C (69.7°F) |
% 77 | 42% | 5.4 | Sunrise:06:30 AM Sunset: 08:31 PM |
Moonrise:08:35 AM Moonset: 09:24 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Fog |
19.4 ° C (67°F) |
29.4 ° C (85°F) |
22.5 ° C (72.5°F) |
% 84 | 74% | 7 | Sunrise:06:31 AM Sunset: 08:29 PM |
Moonrise:09:54 AM Moonset: 09:45 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
14 ° C (57.1°F) |
30.7 ° C (87.3°F) |
21.8 ° C (71.3°F) |
% 61 | 4% | 8 | Sunrise:06:32 AM Sunset: 08:28 PM |
Moonrise:11:10 AM Moonset: 10:08 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
15.7 ° C (60.3°F) |
31.7 ° C (89.1°F) |
23.2 ° C (73.7°F) |
% 56 | 57% | 8 | Sunrise:06:33 AM Sunset: 08:26 PM |
Moonrise:12:24 PM Moonset: 10:32 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Patchy rain nearby |
17.5 ° C (63.5°F) |
34.8 ° C (94.6°F) |
25.1 ° C (77.2°F) |
% 63 | 57% | 8 | Sunrise:06:34 AM Sunset: 08:25 PM |
Moonrise:01:38 PM Moonset: 11:01 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
24.7 ° C (76.5°F) |
40.7 ° C (105.2°F) |
31.3 ° C (88.4°F) |
% 43 | 1% | 10 | Sunrise:06:35 AM Sunset: 08:23 PM |
Moonrise:02:48 PM Moonset: 11:35 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
18.2 ° C (64.7°F) |
24.9 ° C (76.8°F) |
21.2 ° C (70.2°F) |
% 84 | 66% | 5 | Sunrise:06:36 AM Sunset: 08:22 PM |
Moonrise:03:55 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
18.9 ° C (66°F) |
26.8 ° C (80.2°F) |
21.6 ° C (70.9°F) |
% 88 | 84% | 7 | Sunrise:06:38 AM Sunset: 08:20 PM |
Moonrise:04:53 PM Moonset: 12:17 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Overcast |
16 ° C (60.7°F) |
30.9 ° C (87.7°F) |
21.8 ° C (71.2°F) |
% 75 | 13% | 8 | Sunrise:06:39 AM Sunset: 08:18 PM |
Moonrise:05:43 PM Moonset: 01:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Partly Cloudy |
14.3 ° C (57.7°F) |
27.5 ° C (81.6°F) |
21.4 ° C (70.5°F) |
% 73 | 17% | 7 | Sunrise:06:40 AM Sunset: 08:17 PM |
Moonrise:06:24 PM Moonset: 02:03 AM Moon Phase ( Waxing Gibbous ) |
|