Current weather conditions and 15 day weather forecast for Jefferson, 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.
| 23 September 2026 Wednesday 12 ° C / 53.7°F ![]() Overcast |
Feels Like : 8.6 ° C / 47.5°F Humidity : % 83 Pressure : 1024 mb Wind Speed : 20.9 kmph / 13 miles from SE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 September 2026 Tuesday | Mist |
8.5 ° C (47.3°F) |
13.1 ° C (55.7°F) |
10.8 ° C (51.5°F) |
% 90 | 66% | 2.4 | Sunrise:07:17 AM Sunset: 07:28 PM |
Moonrise:05:54 PM Moonset: 03:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Patchy rain nearby |
10.3 ° C (50.5°F) |
18.7 ° C (65.7°F) |
13.9 ° C (57°F) |
% 84 | 75% | 5.5 | Sunrise:07:19 AM Sunset: 07:26 PM |
Moonrise:06:15 PM Moonset: 04:13 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Overcast |
12.8 ° C (55°F) |
16.6 ° C (61.8°F) |
14.4 ° C (58°F) |
% 92 | 92% | 1.2 | Sunrise:07:20 AM Sunset: 07:24 PM |
Moonrise:06:33 PM Moonset: 05:17 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Overcast |
13.2 ° C (55.8°F) |
15.7 ° C (60.2°F) |
14.3 ° C (57.7°F) |
% 95 | 78% | 0.7 | Sunrise:07:21 AM Sunset: 07:23 PM |
Moonrise:06:51 PM Moonset: 06:20 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Patchy rain nearby |
13.6 ° C (56.5°F) |
18.4 ° C (65.1°F) |
15.8 ° C (60.4°F) |
% 94 | 70% | 3.1 | Sunrise:07:22 AM Sunset: 07:21 PM |
Moonrise:07:09 PM Moonset: 07:25 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Fog |
15.4 ° C (59.8°F) |
21.8 ° C (71.3°F) |
18.6 ° C (65.4°F) |
% 88 | 47% | 6 | Sunrise:07:23 AM Sunset: 07:19 PM |
Moonrise:07:28 PM Moonset: 08:31 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
14.2 ° C (57.5°F) |
20.6 ° C (69.1°F) |
17.6 ° C (63.8°F) |
% 78 | 18% | 5 | Sunrise:07:24 AM Sunset: 07:17 PM |
Moonrise:07:51 PM Moonset: 09:39 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Light rain shower |
8 ° C (46.4°F) |
17 ° C (62.6°F) |
12.7 ° C (54.8°F) |
% 89 | 91% | 4 | Sunrise:07:25 AM Sunset: 07:15 PM |
Moonrise:08:19 PM Moonset: 10:50 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
4.3 ° C (39.7°F) |
13.2 ° C (55.7°F) |
8.7 ° C (47.7°F) |
% 57 | 5% | 4 | Sunrise:07:26 AM Sunset: 07:13 PM |
Moonrise:08:55 PM Moonset: 12:03 PM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Sunny |
6.6 ° C (44°F) |
15.8 ° C (60.4°F) |
11.1 ° C (51.9°F) |
% 56 | 3% | 5 | Sunrise:07:28 AM Sunset: 07:12 PM |
Moonrise:09:40 PM Moonset: 01:14 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Sunny |
10.8 ° C (51.5°F) |
19.7 ° C (67.5°F) |
14.9 ° C (58.7°F) |
% 61 | 5% | 5 | Sunrise:07:29 AM Sunset: 07:10 PM |
Moonrise:10:38 PM Moonset: 02:19 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Sunny |
9.5 ° C (49.1°F) |
14.6 ° C (58.3°F) |
12.1 ° C (53.8°F) |
% 60 | 3% | 4 | Sunrise:07:30 AM Sunset: 07:08 PM |
Moonrise:11:48 PM Moonset: 03:15 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Sunny |
8.9 ° C (48°F) |
14.7 ° C (58.4°F) |
11.4 ° C (52.5°F) |
% 54 | 3% | 4 | Sunrise:07:31 AM Sunset: 07:06 PM |
Moonrise:Does not rise today Moonset: 04:00 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Sunny |
5.2 ° C (41.4°F) |
13.5 ° C (56.3°F) |
9.3 ° C (48.8°F) |
% 62 | 5% | 4 | Sunrise:07:32 AM Sunset: 07:05 PM |
Moonrise:01:05 AM Moonset: 04:36 PM Moon Phase ( Waning Crescent ) |
|