Current weather conditions and 15 day weather forecast for Lake Byron, 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.
| 25 December 2025 Thursday 1.7 ° C / 35.1°F ![]() Mist |
Feels Like : -3.6 ° C / 25.5°F Humidity : % 96 Pressure : 1010 mb Wind Speed : 24.1 kmph / 15 miles from SE ![]() Visibility : 1.6 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 December 2025 Thursday | Overcast |
-1 ° C (30.2°F) |
5.4 ° C (41.7°F) |
0.8 ° C (33.4°F) |
% 96 | 0% | 0.2 | Sunrise:08:07 AM Sunset: 04:57 PM |
Moonrise:11:31 AM Moonset: 10:53 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Mist |
-0.8 ° C (30.6°F) |
0.5 ° C (32.9°F) |
-0.2 ° C (31.6°F) |
% 97 | 0% | 0.2 | Sunrise:08:07 AM Sunset: 04:58 PM |
Moonrise:11:49 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Overcast |
-0.4 ° C (31.3°F) |
0.4 ° C (32.7°F) |
0.1 ° C (32.3°F) |
% 95 | 0% | 0.2 | Sunrise:08:08 AM Sunset: 04:59 PM |
Moonrise:12:08 PM Moonset: 12:04 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Partly Cloudy |
-11.1 ° C (12°F) |
-7.2 ° C (19.1°F) |
-7.9 ° C (17.7°F) |
% 53 | 0% | 0.1 | Sunrise:08:08 AM Sunset: 05:00 PM |
Moonrise:12:28 PM Moonset: 01:18 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-12.6 ° C (9.3°F) |
-6.1 ° C (21°F) |
-10.5 ° C (13.1°F) |
% 53 | 0% | 0 | Sunrise:08:08 AM Sunset: 05:00 PM |
Moonrise:12:52 PM Moonset: 02:35 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-6.3 ° C (20.7°F) |
3.7 ° C (38.6°F) |
-1.4 ° C (29.5°F) |
% 47 | 0% | 2 | Sunrise:08:08 AM Sunset: 05:01 PM |
Moonrise:01:22 PM Moonset: 03:56 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Partly Cloudy |
-1.8 ° C (28.8°F) |
3.5 ° C (38.4°F) |
0.6 ° C (33.1°F) |
% 72 | 0% | 2 | Sunrise:08:08 AM Sunset: 05:02 PM |
Moonrise:02:01 PM Moonset: 05:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
-7.3 ° C (18.9°F) |
-3.3 ° C (26°F) |
-5.1 ° C (22.9°F) |
% 62 | 0% | 2 | Sunrise:08:08 AM Sunset: 05:03 PM |
Moonrise:02:54 PM Moonset: 06:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Sunny |
-5.2 ° C (22.7°F) |
2.8 ° C (37.1°F) |
-1.6 ° C (29.2°F) |
% 68 | 0% | 2 | Sunrise:08:08 AM Sunset: 05:04 PM |
Moonrise:04:02 PM Moonset: 07:52 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Cloudy |
1.2 ° C (34.2°F) |
7.4 ° C (45.3°F) |
3.3 ° C (37.9°F) |
% 82 | 0% | 1 | Sunrise:08:08 AM Sunset: 05:05 PM |
Moonrise:05:21 PM Moonset: 08:47 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Sunny |
0.4 ° C (32.6°F) |
8.4 ° C (47°F) |
3.8 ° C (38.9°F) |
% 73 | 0% | 2 | Sunrise:08:08 AM Sunset: 05:06 PM |
Moonrise:06:42 PM Moonset: 09:30 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Partly Cloudy |
-4.6 ° C (23.6°F) |
2.4 ° C (36.4°F) |
0.2 ° C (32.3°F) |
% 74 | 0% | 2 | Sunrise:08:08 AM Sunset: 05:07 PM |
Moonrise:08:02 PM Moonset: 10:01 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Overcast |
-5.2 ° C (22.7°F) |
-0.3 ° C (31.4°F) |
-3.5 ° C (25.7°F) |
% 56 | 0% | 1 | Sunrise:08:08 AM Sunset: 05:08 PM |
Moonrise:09:18 PM Moonset: 10:25 AM Moon Phase ( Waning Gibbous ) |
|
| 07 January 2026 Wednesday | Sunny |
-4.3 ° C (24.3°F) |
4.2 ° C (39.6°F) |
-1.7 ° C (29°F) |
% 74 | 0% | 2 | Sunrise:08:08 AM Sunset: 05:09 PM |
Moonrise:10:29 PM Moonset: 10:45 AM Moon Phase ( Waning Gibbous ) |
|