Seneca Weather Forecast 15 Days, Weather in Seneca Today
Current weather conditions and 15 day weather forecast for Seneca, 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 Seneca
| 01 August 2025 Friday 18.7 ° C / 65.7°F  Partly cloudy |
Feels Like : 18.7 ° C / 65.7°F Humidity : % 79 Pressure : 1029 mb Wind Speed : 14.8 kmph / 9.2 miles from NE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Seneca, IL, USA
Weather Forecast for next 15 Days for Seneca 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 Seneca, Illinois state, US. To see the daily forecast, scroll to the table below.
| Date | |
|---|---|
| 01 August 2025 Friday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 11.8 ° C (53.2°F) |
| High temperature | 25.6 ° C (78.1°F) |
| Avg. temperature | 18.2 ° C (64.7°F) |
| Humidity | % 75 |
| Chance of rain | 0% |
| UV Index | 2.1 |
| Sun Position | Sunrise:05:47 AM Sunset: 08:13 PM |
| Moon Position | Moonrise:02:03 PM Moonset: 11:40 PM Moon Phase ( First Quarter ) |
| 02 August 2025 Saturday | |
| Weather forecast |  Sunny |
| Low temperature | 11 ° C (51.8°F) |
| High temperature | 25 ° C (77°F) |
| Avg. temperature | 18 ° C (64.4°F) |
| Humidity | % 75 |
| Chance of rain | 0% |
| UV Index | 1.9 |
| Sun Position | Sunrise:05:48 AM Sunset: 08:11 PM |
| Moon Position | Moonrise:03:08 PM Moonset: No moonset Moon Phase ( Waxing Gibbous ) |
| 03 August 2025 Sunday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 11.2 ° C (52.2°F) |
| High temperature | 28.4 ° C (83.1°F) |
| Avg. temperature | 19.8 ° C (67.6°F) |
| Humidity | % 76 |
| Chance of rain | 0% |
| UV Index | 2.1 |
| Sun Position | Sunrise:05:49 AM Sunset: 08:10 PM |
| Moon Position | Moonrise:04:12 PM Moonset: 12:10 AM Moon Phase ( Waxing Gibbous ) |
| 04 August 2025 Monday | |
| Weather forecast | Sunny |
| Low temperature | 15 ° C (59°F) |
| High temperature | 27 ° C (80.7°F) |
| Avg. temperature | 20.7 ° C (69.2°F) |
| Humidity | % 69 |
| Chance of rain | 0% |
| UV Index | 1.9 |
| Sun Position | Sunrise:05:50 AM Sunset: 08:09 PM |
| Moon Position | Moonrise:05:13 PM Moonset: 12:47 AM Moon Phase ( Waxing Gibbous ) |
| 05 August 2025 Tuesday | |
| Weather forecast |  Patchy rain nearby |
| Low temperature | 17 ° C (62.6°F) |
| High temperature | 26.6 ° C (79.8°F) |
| Avg. temperature | 22.1 ° C (71.9°F) |
| Humidity | % 78 |
| Chance of rain | 83% |
| UV Index | 0 |
| Sun Position | Sunrise:05:51 AM Sunset: 08:08 PM |
| Moon Position | Moonrise:06:08 PM Moonset: 01:34 AM Moon Phase ( Waxing Gibbous ) |
| 06 August 2025 Wednesday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 18.9 ° C (66°F) |
| High temperature | 26.7 ° C (80.1°F) |
| Avg. temperature | 22.5 ° C (72.5°F) |
| Humidity | % 86 |
| Chance of rain | 80% |
| UV Index | 5 |
| Sun Position | Sunrise:05:52 AM Sunset: 08:07 PM |
| Moon Position | Moonrise:06:55 PM Moonset: 02:30 AM Moon Phase ( Waxing Gibbous ) |
| 07 August 2025 Thursday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 19.3 ° C (66.8°F) |
| High temperature | 28.8 ° C (83.9°F) |
| Avg. temperature | 23.6 ° C (74.6°F) |
| Humidity | % 81 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:05:53 AM Sunset: 08:05 PM |
| Moon Position | Moonrise:07:34 PM Moonset: 03:36 AM Moon Phase ( Waxing Gibbous ) |
| 08 August 2025 Friday | |
| Weather forecast | Sunny |
| Low temperature | 19.9 ° C (67.8°F) |
| High temperature | 29.8 ° C (85.6°F) |
| Avg. temperature | 24.5 ° C (76.1°F) |
| Humidity | % 81 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:05:54 AM Sunset: 08:04 PM |
| Moon Position | Moonrise:08:06 PM Moonset: 04:47 AM Moon Phase ( Waxing Gibbous ) |
| 09 August 2025 Saturday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 21.3 ° C (70.3°F) |
| High temperature | 29.1 ° C (84.4°F) |
| Avg. temperature | 24.8 ° C (76.6°F) |
| Humidity | % 86 |
| Chance of rain | 71% |
| UV Index | 5 |
| Sun Position | Sunrise:05:55 AM Sunset: 08:03 PM |
| Moon Position | Moonrise:08:32 PM Moonset: 06:01 AM Moon Phase ( Full Moon ) |
| 10 August 2025 Sunday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 21.1 ° C (70°F) |
| High temperature | 28.8 ° C (83.8°F) |
| Avg. temperature | 24 ° C (75.2°F) |
| Humidity | % 84 |
| Chance of rain | 82% |
| UV Index | 5 |
| Sun Position | Sunrise:05:56 AM Sunset: 08:01 PM |
| Moon Position | Moonrise:08:56 PM Moonset: 07:15 AM Moon Phase ( Waning Gibbous ) |
| 11 August 2025 Monday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 19.6 ° C (67.2°F) |
| High temperature | 30 ° C (86°F) |
| Avg. temperature | 24.1 ° C (75.5°F) |
| Humidity | % 76 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:05:57 AM Sunset: 08:00 PM |
| Moon Position | Moonrise:09:18 PM Moonset: 08:28 AM Moon Phase ( Waning Gibbous ) |
| 12 August 2025 Tuesday | |
| Weather forecast | Sunny |
| Low temperature | 20.7 ° C (69.2°F) |
| High temperature | 31.3 ° C (88.3°F) |
| Avg. temperature | 25.6 ° C (78°F) |
| Humidity | % 74 |
| Chance of rain | 0% |
| UV Index | 7 |
| Sun Position | Sunrise:05:58 AM Sunset: 07:59 PM |
| Moon Position | Moonrise:09:39 PM Moonset: 09:43 AM Moon Phase ( Waning Gibbous ) |
| 13 August 2025 Wednesday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 22.3 ° C (72.1°F) |
| High temperature | 32.2 ° C (89.9°F) |
| Avg. temperature | 26.5 ° C (79.7°F) |
| Humidity | % 78 |
| Chance of rain | 87% |
| UV Index | 6 |
| Sun Position | Sunrise:05:59 AM Sunset: 07:57 PM |
| Moon Position | Moonrise:10:02 PM Moonset: 10:57 AM Moon Phase ( Waning Gibbous ) |
| 14 August 2025 Thursday | |
| Weather forecast | Sunny |
| Low temperature | 22.7 ° C (72.8°F) |
| High temperature | 31.8 ° C (89.3°F) |
| Avg. temperature | 26.5 ° C (79.8°F) |
| Humidity | % 79 |
| Chance of rain | 0% |
| UV Index | 7 |
| Sun Position | Sunrise:06:00 AM Sunset: 07:56 PM |
| Moon Position | Moonrise:10:29 PM Moonset: 12:14 PM Moon Phase ( Waning Gibbous ) |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 01 August 2025 Friday | Partly Cloudy |
11.8 ° C (53.2°F) |
25.6 ° C (78.1°F) |
18.2 ° C (64.7°F) |
% 75 | 0% | 2.1 | Sunrise:05:47 AM Sunset: 08:13 PM |
Moonrise:02:03 PM Moonset: 11:40 PM Moon Phase ( First Quarter ) |
|
| 02 August 2025 Saturday | Sunny |
11 ° C (51.8°F) |
25 ° C (77°F) |
18 ° C (64.4°F) |
% 75 | 0% | 1.9 | Sunrise:05:48 AM Sunset: 08:11 PM |
Moonrise:03:08 PM Moonset: No moonset Moon Phase ( Waxing Gibbous ) |
|
| 03 August 2025 Sunday | Partly Cloudy |
11.2 ° C (52.2°F) |
28.4 ° C (83.1°F) |
19.8 ° C (67.6°F) |
% 76 | 0% | 2.1 | Sunrise:05:49 AM Sunset: 08:10 PM |
Moonrise:04:12 PM Moonset: 12:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 04 August 2025 Monday | Sunny |
15 ° C (59°F) |
27 ° C (80.7°F) |
20.7 ° C (69.2°F) |
% 69 | 0% | 1.9 | Sunrise:05:50 AM Sunset: 08:09 PM |
Moonrise:05:13 PM Moonset: 12:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 05 August 2025 Tuesday | Patchy rain nearby |
17 ° C (62.6°F) |
26.6 ° C (79.8°F) |
22.1 ° C (71.9°F) |
% 78 | 83% | 0 | Sunrise:05:51 AM Sunset: 08:08 PM |
Moonrise:06:08 PM Moonset: 01:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 06 August 2025 Wednesday | Patchy rain nearby |
18.9 ° C (66°F) |
26.7 ° C (80.1°F) |
22.5 ° C (72.5°F) |
% 86 | 80% | 5 | Sunrise:05:52 AM Sunset: 08:07 PM |
Moonrise:06:55 PM Moonset: 02:30 AM Moon Phase ( Waxing Gibbous ) |
|
| 07 August 2025 Thursday | Partly Cloudy |
19.3 ° C (66.8°F) |
28.8 ° C (83.9°F) |
23.6 ° C (74.6°F) |
% 81 | 0% | 6 | Sunrise:05:53 AM Sunset: 08:05 PM |
Moonrise:07:34 PM Moonset: 03:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 08 August 2025 Friday | Sunny |
19.9 ° C (67.8°F) |
29.8 ° C (85.6°F) |
24.5 ° C (76.1°F) |
% 81 | 0% | 6 | Sunrise:05:54 AM Sunset: 08:04 PM |
Moonrise:08:06 PM Moonset: 04:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 09 August 2025 Saturday | Patchy rain nearby |
21.3 ° C (70.3°F) |
29.1 ° C (84.4°F) |
24.8 ° C (76.6°F) |
% 86 | 71% | 5 | Sunrise:05:55 AM Sunset: 08:03 PM |
Moonrise:08:32 PM Moonset: 06:01 AM Moon Phase ( Full Moon ) |
|
| 10 August 2025 Sunday | Patchy rain nearby |
21.1 ° C (70°F) |
28.8 ° C (83.8°F) |
24 ° C (75.2°F) |
% 84 | 82% | 5 | Sunrise:05:56 AM Sunset: 08:01 PM |
Moonrise:08:56 PM Moonset: 07:15 AM Moon Phase ( Waning Gibbous ) |
|
| 11 August 2025 Monday | Partly Cloudy |
19.6 ° C (67.2°F) |
30 ° C (86°F) |
24.1 ° C (75.5°F) |
% 76 | 0% | 6 | Sunrise:05:57 AM Sunset: 08:00 PM |
Moonrise:09:18 PM Moonset: 08:28 AM Moon Phase ( Waning Gibbous ) |
|
| 12 August 2025 Tuesday | Sunny |
20.7 ° C (69.2°F) |
31.3 ° C (88.3°F) |
25.6 ° C (78°F) |
% 74 | 0% | 7 | Sunrise:05:58 AM Sunset: 07:59 PM |
Moonrise:09:39 PM Moonset: 09:43 AM Moon Phase ( Waning Gibbous ) |
|
| 13 August 2025 Wednesday | Patchy rain nearby |
22.3 ° C (72.1°F) |
32.2 ° C (89.9°F) |
26.5 ° C (79.7°F) |
% 78 | 87% | 6 | Sunrise:05:59 AM Sunset: 07:57 PM |
Moonrise:10:02 PM Moonset: 10:57 AM Moon Phase ( Waning Gibbous ) |
|
| 14 August 2025 Thursday | Sunny |
22.7 ° C (72.8°F) |
31.8 ° C (89.3°F) |
26.5 ° C (79.8°F) |
% 79 | 0% | 7 | Sunrise:06:00 AM Sunset: 07:56 PM |
Moonrise:10:29 PM Moonset: 12:14 PM Moon Phase ( Waning Gibbous ) |
|
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