Current weather conditions and 15 day weather forecast for Summit, 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.
| 09 August 2026 Sunday 21.1 ° C / 70°F ![]() Sunny |
Feels Like : 21 ° C / 69.8°F Humidity : % 83 Pressure : 1012 mb Wind Speed : 15.5 kmph / 9.6 miles from NNE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 8 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 August 2026 Sunday | Sunny |
17.2 ° C (63°F) |
25.8 ° C (78.4°F) |
21.1 ° C (70.1°F) |
% 76 | 10% | 5.8 | Sunrise:06:22 AM Sunset: 08:45 PM |
Moonrise:01:44 AM Moonset: 06:45 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
17 ° C (62.7°F) |
33.4 ° C (92.2°F) |
24.9 ° C (76.8°F) |
% 38 | 17% | 6 | Sunrise:06:23 AM Sunset: 08:43 PM |
Moonrise:02:56 AM Moonset: 07:34 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
17.6 ° C (63.7°F) |
33.1 ° C (91.7°F) |
25 ° C (77°F) |
% 59 | 61% | 6.1 | Sunrise:06:24 AM Sunset: 08:42 PM |
Moonrise:04:19 AM Moonset: 08:12 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
16.8 ° C (62.2°F) |
30.3 ° C (86.5°F) |
23.2 ° C (73.8°F) |
% 40 | 1% | 6.4 | Sunrise:06:25 AM Sunset: 08:40 PM |
Moonrise:05:46 AM Moonset: 08:41 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
17.3 ° C (63.2°F) |
27.7 ° C (81.9°F) |
22.2 ° C (71.9°F) |
% 49 | 2% | 7 | Sunrise:06:27 AM Sunset: 08:39 PM |
Moonrise:07:13 AM Moonset: 09:05 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
13.6 ° C (56.5°F) |
24.6 ° C (76.3°F) |
18.6 ° C (65.5°F) |
% 65 | 59% | 6 | Sunrise:06:28 AM Sunset: 08:37 PM |
Moonrise:08:36 AM Moonset: 09:26 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Light drizzle |
15.2 ° C (59.3°F) |
17.3 ° C (63.2°F) |
16 ° C (60.9°F) |
% 98 | 94% | 4 | Sunrise:06:29 AM Sunset: 08:35 PM |
Moonrise:09:56 AM Moonset: 09:46 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
15 ° C (58.9°F) |
28.5 ° C (83.3°F) |
20.5 ° C (68.8°F) |
% 71 | 59% | 7 | Sunrise:06:30 AM Sunset: 08:34 PM |
Moonrise:11:14 AM Moonset: 10:06 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
18.2 ° C (64.8°F) |
29.6 ° C (85.3°F) |
23.5 ° C (74.2°F) |
% 61 | 57% | 7 | Sunrise:06:31 AM Sunset: 08:32 PM |
Moonrise:12:31 PM Moonset: 10:29 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Partly Cloudy |
17.6 ° C (63.6°F) |
32.8 ° C (91°F) |
24.1 ° C (75.4°F) |
% 63 | 36% | 8 | Sunrise:06:33 AM Sunset: 08:30 PM |
Moonrise:01:46 PM Moonset: 10:56 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
13.9 ° C (57°F) |
26.7 ° C (80.1°F) |
19.9 ° C (67.9°F) |
% 62 | 5% | 7 | Sunrise:06:34 AM Sunset: 08:29 PM |
Moonrise:02:59 PM Moonset: 11:29 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
16.3 ° C (61.3°F) |
32.9 ° C (91.2°F) |
24.3 ° C (75.8°F) |
% 48 | 2% | 8 | Sunrise:06:35 AM Sunset: 08:27 PM |
Moonrise:04:06 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
19.1 ° C (66.3°F) |
32.9 ° C (91.3°F) |
25.7 ° C (78.3°F) |
% 44 | 2% | 8 | Sunrise:06:36 AM Sunset: 08:25 PM |
Moonrise:05:05 PM Moonset: 12:09 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Sunny |
16.1 ° C (61°F) |
28.6 ° C (83.6°F) |
22.3 ° C (72.1°F) |
% 41 | 1% | 7 | Sunrise:06:37 AM Sunset: 08:24 PM |
Moonrise:05:55 PM Moonset: 12:59 AM Moon Phase ( Waxing Gibbous ) |
|