Helvetia Weather Forecast 15 Days, Weather in Helvetia Today
Current weather conditions and 15 day weather forecast for Helvetia, 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 Helvetia
| 26 December 2025 Friday 18.1 ° C / 64.6°F  Partly cloudy |
Feels Like : 18.1 ° C / 64.6°F Humidity : % 68 Pressure : 1010 mb Wind Speed : 23 kmph / 14.3 miles from W  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
15 day weather forecast for Helvetia, IL, USA
Weather Forecast for next 15 Days for Helvetia 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 Helvetia, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 26 December 2025 Friday |  Overcast |
10.5 ° C (50.9°F) |
16.7 ° C (62.1°F) |
14.3 ° C (57.7°F) |
% 90 | 0% | 0.4 | Sunrise:07:16 AM Sunset: 04:43 PM |
Moonrise:11:14 AM Moonset: 11:29 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Overcast |
8.8 ° C (47.8°F) |
14.2 ° C (57.5°F) |
11.2 ° C (52.2°F) |
% 93 | 0% | 0.4 | Sunrise:07:16 AM Sunset: 04:44 PM |
Moonrise:11:37 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Heavy rain |
4.8 ° C (40.6°F) |
17.1 ° C (62.8°F) |
13.9 ° C (57°F) |
% 96 | 88% | 0.3 | Sunrise:07:16 AM Sunset: 04:45 PM |
Moonrise:12:02 PM Moonset: 12:37 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Partly Cloudy |
-5.5 ° C (22.1°F) |
-1.8 ° C (28.7°F) |
-3.1 ° C (26.5°F) |
% 57 | 0% | 0.3 | Sunrise:07:17 AM Sunset: 04:46 PM |
Moonrise:12:31 PM Moonset: 01:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Sunny |
-6.6 ° C (20.2°F) |
1.5 ° C (34.7°F) |
-4 ° C (24.8°F) |
% 53 | 0% | 0 | Sunrise:07:17 AM Sunset: 04:46 PM |
Moonrise:01:06 PM Moonset: 03:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-1.9 ° C (28.6°F) |
7.3 ° C (45.2°F) |
2.1 ° C (35.8°F) |
% 59 | 0% | 2 | Sunrise:07:17 AM Sunset: 04:47 PM |
Moonrise:01:50 PM Moonset: 04:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
2.6 ° C (36.7°F) |
11.2 ° C (52.2°F) |
5.7 ° C (42.3°F) |
% 67 | 0% | 3 | Sunrise:07:17 AM Sunset: 04:48 PM |
Moonrise:02:46 PM Moonset: 05:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Sunny |
-2.8 ° C (27°F) |
1.4 ° C (34.5°F) |
-0.7 ° C (30.7°F) |
% 55 | 0% | 2 | Sunrise:07:17 AM Sunset: 04:49 PM |
Moonrise:03:53 PM Moonset: 06:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday |  Moderate snow |
-3.1 ° C (26.5°F) |
3.7 ° C (38.6°F) |
-0.2 ° C (31.6°F) |
% 47 | 86% | 1 | Sunrise:07:17 AM Sunset: 04:50 PM |
Moonrise:05:09 PM Moonset: 07:49 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday |  Patchy rain nearby |
0.6 ° C (33.1°F) |
6.5 ° C (43.7°F) |
3.9 ° C (39.1°F) |
% 97 | 84% | 1 | Sunrise:07:17 AM Sunset: 04:51 PM |
Moonrise:06:26 PM Moonset: 08:35 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday |  Cloudy |
-1.6 ° C (29.1°F) |
1.2 ° C (34.1°F) |
0.4 ° C (32.8°F) |
% 72 | 0% | 1 | Sunrise:07:17 AM Sunset: 04:51 PM |
Moonrise:07:41 PM Moonset: 09:12 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday |  Light freezing rain |
-2.5 ° C (27.5°F) |
0.8 ° C (33.5°F) |
-1.4 ° C (29.5°F) |
% 81 | 72% | 1 | Sunrise:07:17 AM Sunset: 04:52 PM |
Moonrise:08:51 PM Moonset: 09:42 AM Moon Phase ( Waning Gibbous ) |
|
| 07 January 2026 Wednesday | Cloudy |
-4.6 ° C (23.7°F) |
0.6 ° C (33.1°F) |
-2.1 ° C (28.2°F) |
% 76 | 0% | 1 | Sunrise:07:17 AM Sunset: 04:53 PM |
Moonrise:09:57 PM Moonset: 10:07 AM Moon Phase ( Waning Gibbous ) |
|
| 08 January 2026 Thursday | Light freezing rain |
-1.9 ° C (28.5°F) |
0.8 ° C (33.4°F) |
-0.2 ° C (31.6°F) |
% 71 | 0% | 1 | Sunrise:07:17 AM Sunset: 04:54 PM |
Moonrise:11:00 PM Moonset: 10:29 AM Moon Phase ( Waning Gibbous ) |
|
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