Lake Petersburg Weather Forecast 15 Days, Weather in Lake Petersburg Today
Current weather conditions and 15 day weather forecast for Lake Petersburg, Illinois, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Lake Petersburg
| 25 March 2026 Wednesday 13.9 ° C / 57°F  Partly cloudy |
Feels Like : 12.9 ° C / 55.2°F Humidity : % 25 Pressure : 1022 mb Wind Speed : 13.3 kmph / 8.3 miles from SE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15 day weather forecast for Lake Petersburg, IL, USA
Weather Forecast for next 15 Days for Lake Petersburg including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Lake Petersburg, Illinois state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 March 2026 Tuesday |  Sunny |
-0.5 ° C (31.1°F) |
19.7 ° C (67.5°F) |
8.1 ° C (46.6°F) |
% 45 | 0% | 1.1 | Sunrise:06:56 AM Sunset: 07:16 PM |
Moonrise:10:13 AM Moonset: 01:20 AM Moon Phase ( Waxing Crescent ) |
|
| 25 March 2026 Wednesday | Partly Cloudy |
5.2 ° C (41.4°F) |
22.5 ° C (72.5°F) |
13.4 ° C (56.1°F) |
% 59 | 0% | 1.4 | Sunrise:06:54 AM Sunset: 07:17 PM |
Moonrise:11:16 AM Moonset: 02:26 AM Moon Phase ( First Quarter ) |
|
| 26 March 2026 Thursday |  Patchy rain nearby |
14.9 ° C (58.8°F) |
30 ° C (86°F) |
20.6 ° C (69°F) |
% 76 | 81% | 1.7 | Sunrise:06:53 AM Sunset: 07:18 PM |
Moonrise:12:26 PM Moonset: 03:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday |  Moderate rain |
5.5 ° C (41.9°F) |
11.1 ° C (52°F) |
8.7 ° C (47.6°F) |
% 60 | 84% | 1.5 | Sunrise:06:51 AM Sunset: 07:19 PM |
Moonrise:01:40 PM Moonset: 04:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday | Sunny |
1.2 ° C (34.1°F) |
11.8 ° C (53.2°F) |
6.6 ° C (43.9°F) |
% 48 | 0% | 1.6 | Sunrise:06:50 AM Sunset: 07:20 PM |
Moonrise:02:52 PM Moonset: 04:42 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday | Patchy rain nearby |
6.4 ° C (43.5°F) |
9.8 ° C (49.7°F) |
7.5 ° C (45.5°F) |
% 57 | 53% | 0 | Sunrise:06:48 AM Sunset: 07:21 PM |
Moonrise:04:03 PM Moonset: 05:11 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday | Patchy rain nearby |
10.9 ° C (51.6°F) |
25.7 ° C (78.3°F) |
18.2 ° C (64.7°F) |
% 66 | 66% | 4 | Sunrise:06:46 AM Sunset: 07:22 PM |
Moonrise:05:10 PM Moonset: 05:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday | Patchy rain nearby |
17.9 ° C (64.3°F) |
25 ° C (77°F) |
20.6 ° C (69.1°F) |
% 71 | 86% | 5 | Sunrise:06:45 AM Sunset: 07:23 PM |
Moonrise:06:15 PM Moonset: 05:58 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Patchy rain nearby |
12.5 ° C (54.6°F) |
24.8 ° C (76.6°F) |
20.2 ° C (68.4°F) |
% 71 | 83% | 5 | Sunrise:06:43 AM Sunset: 07:24 PM |
Moonrise:07:20 PM Moonset: 06:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday | Partly Cloudy |
4 ° C (39.2°F) |
17.7 ° C (63.9°F) |
11 ° C (51.9°F) |
% 72 | 0% | 4 | Sunrise:06:41 AM Sunset: 07:25 PM |
Moonrise:08:24 PM Moonset: 06:41 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Patchy rain nearby |
14.9 ° C (58.7°F) |
28.7 ° C (83.7°F) |
21.6 ° C (70.8°F) |
% 74 | 82% | 5 | Sunrise:06:40 AM Sunset: 07:26 PM |
Moonrise:09:28 PM Moonset: 07:04 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Moderate rain |
8.4 ° C (47°F) |
16 ° C (60.8°F) |
12.8 ° C (55.1°F) |
% 86 | 89% | 3 | Sunrise:06:38 AM Sunset: 07:27 PM |
Moonrise:10:32 PM Moonset: 07:30 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Patchy rain nearby |
4.3 ° C (39.7°F) |
8.8 ° C (47.8°F) |
7 ° C (44.6°F) |
% 62 | 82% | 2 | Sunrise:06:37 AM Sunset: 07:28 PM |
Moonrise:11:35 PM Moonset: 08:00 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Sunny |
0.6 ° C (33.1°F) |
10.8 ° C (51.4°F) |
5.4 ° C (41.8°F) |
% 60 | 0% | 3 | Sunrise:06:35 AM Sunset: 07:29 PM |
Moonrise:No moonrise Moonset: 08:37 AM Moon Phase ( Waning Gibbous ) |
|
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