Alton Weather Forecast 15 Days, Weather in Alton Today
Current weather conditions and 15 day weather forecast for Alton, 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 Alton
| 08 April 2025 Tuesday 2.3 ° C / 36.1°F  Clear |
Feels Like : 1 ° C / 33.8°F Humidity : % 75 Pressure : 1020 mb Wind Speed : 5 kmph / 3.1 miles from NE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Alton, IL, USA
Weather Forecast for next 15 Days for Alton 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 Alton, Illinois state, US. To see the daily forecast, scroll to the table below.
| Date | |
|---|---|
| 08 April 2025 Tuesday | |
| Weather forecast | Sunny |
| Low temperature | -0.3 ° C (31.5°F) |
| High temperature | 13.1 ° C (55.6°F) |
| Avg. temperature | 5.9 ° C (42.7°F) |
| Humidity | % 62 |
| Chance of rain | 0% |
| UV Index | 1.4 |
| Sun Position | Sunrise:06:33 AM Sunset: 07:32 PM |
| Moon Position | Moonrise:03:36 PM Moonset: 04:45 AM Moon Phase ( Waxing Gibbous ) |
| 09 April 2025 Wednesday | |
| Weather forecast |  Moderate rain |
| Low temperature | 3.5 ° C (38.3°F) |
| High temperature | 15.7 ° C (60.3°F) |
| Avg. temperature | 8.8 ° C (47.9°F) |
| Humidity | % 72 |
| Chance of rain | 77% |
| UV Index | 1 |
| Sun Position | Sunrise:06:32 AM Sunset: 07:32 PM |
| Moon Position | Moonrise:04:37 PM Moonset: 05:08 AM Moon Phase ( Waxing Gibbous ) |
| 10 April 2025 Thursday | |
| Weather forecast |  Partly Cloudy |
| Low temperature | 4.6 ° C (40.3°F) |
| High temperature | 14.8 ° C (58.6°F) |
| Avg. temperature | 9.2 ° C (48.6°F) |
| Humidity | % 83 |
| Chance of rain | 0% |
| UV Index | 1 |
| Sun Position | Sunrise:06:30 AM Sunset: 07:33 PM |
| Moon Position | Moonrise:05:37 PM Moonset: 05:29 AM Moon Phase ( Waxing Gibbous ) |
| 11 April 2025 Friday | |
| Weather forecast |  Overcast |
| Low temperature | 5.5 ° C (41.9°F) |
| High temperature | 8.1 ° C (46.6°F) |
| Avg. temperature | 6.8 ° C (44.3°F) |
| Humidity | % 74 |
| Chance of rain | 0% |
| UV Index | 0 |
| Sun Position | Sunrise:06:29 AM Sunset: 07:34 PM |
| Moon Position | Moonrise:06:36 PM Moonset: 05:48 AM Moon Phase ( Waxing Gibbous ) |
| 12 April 2025 Saturday | |
| Weather forecast | Sunny |
| Low temperature | 2.4 ° C (36.3°F) |
| High temperature | 14.3 ° C (57.8°F) |
| Avg. temperature | 6.8 ° C (44.2°F) |
| Humidity | % 70 |
| Chance of rain | 0% |
| UV Index | 3 |
| Sun Position | Sunrise:06:27 AM Sunset: 07:35 PM |
| Moon Position | Moonrise:07:36 PM Moonset: 06:08 AM Moon Phase ( Waxing Gibbous ) |
| 13 April 2025 Sunday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 7.2 ° C (44.9°F) |
| High temperature | 20.4 ° C (68.8°F) |
| Avg. temperature | 13.2 ° C (55.8°F) |
| Humidity | % 74 |
| Chance of rain | 0% |
| UV Index | 4 |
| Sun Position | Sunrise:06:26 AM Sunset: 07:36 PM |
| Moon Position | Moonrise:08:36 PM Moonset: 06:29 AM Moon Phase ( Full Moon ) |
| 14 April 2025 Monday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 10.9 ° C (51.7°F) |
| High temperature | 18.8 ° C (65.8°F) |
| Avg. temperature | 15 ° C (59°F) |
| Humidity | % 74 |
| Chance of rain | 0% |
| UV Index | 4 |
| Sun Position | Sunrise:06:24 AM Sunset: 07:37 PM |
| Moon Position | Moonrise:09:38 PM Moonset: 06:54 AM Moon Phase ( Waning Gibbous ) |
| 15 April 2025 Tuesday | |
| Weather forecast | Sunny |
| Low temperature | 8.3 ° C (47°F) |
| High temperature | 16.1 ° C (60.9°F) |
| Avg. temperature | 11.7 ° C (53°F) |
| Humidity | % 59 |
| Chance of rain | 0% |
| UV Index | 4 |
| Sun Position | Sunrise:06:23 AM Sunset: 07:38 PM |
| Moon Position | Moonrise:10:40 PM Moonset: 07:22 AM Moon Phase ( Waning Gibbous ) |
| 16 April 2025 Wednesday | |
| Weather forecast |  Patchy rain nearby |
| Low temperature | 4.7 ° C (40.5°F) |
| High temperature | 14.8 ° C (58.7°F) |
| Avg. temperature | 9.3 ° C (48.8°F) |
| Humidity | % 71 |
| Chance of rain | 74% |
| UV Index | 2 |
| Sun Position | Sunrise:06:21 AM Sunset: 07:39 PM |
| Moon Position | Moonrise:11:42 PM Moonset: 07:56 AM Moon Phase ( Waning Gibbous ) |
| 17 April 2025 Thursday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 7.1 ° C (44.8°F) |
| High temperature | 10.1 ° C (50.1°F) |
| Avg. temperature | 9.2 ° C (48.5°F) |
| Humidity | % 92 |
| Chance of rain | 88% |
| UV Index | 2 |
| Sun Position | Sunrise:06:20 AM Sunset: 07:40 PM |
| Moon Position | Moonrise:No moonrise Moonset: 08:37 AM Moon Phase ( Waning Gibbous ) |
| 18 April 2025 Friday | |
| Weather forecast | Sunny |
| Low temperature | 5.5 ° C (41.9°F) |
| High temperature | 18.5 ° C (65.3°F) |
| Avg. temperature | 11.5 ° C (52.7°F) |
| Humidity | % 74 |
| Chance of rain | 0% |
| UV Index | 4 |
| Sun Position | Sunrise:06:19 AM Sunset: 07:41 PM |
| Moon Position | Moonrise:12:40 AM Moonset: 09:27 AM Moon Phase ( Waning Gibbous ) |
| 19 April 2025 Saturday | |
| Weather forecast | Sunny |
| Low temperature | 9.4 ° C (49°F) |
| High temperature | 22.4 ° C (72.3°F) |
| Avg. temperature | 15.4 ° C (59.8°F) |
| Humidity | % 74 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:17 AM Sunset: 07:42 PM |
| Moon Position | Moonrise:01:33 AM Moonset: 10:25 AM Moon Phase ( Waning Gibbous ) |
| 20 April 2025 Sunday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 13.9 ° C (57°F) |
| High temperature | 21.8 ° C (71.3°F) |
| Avg. temperature | 17.3 ° C (63.2°F) |
| Humidity | % 74 |
| Chance of rain | 80% |
| UV Index | 4 |
| Sun Position | Sunrise:06:16 AM Sunset: 07:43 PM |
| Moon Position | Moonrise:02:17 AM Moonset: 11:30 AM Moon Phase ( Last Quarter ) |
| 21 April 2025 Monday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 13.8 ° C (56.8°F) |
| High temperature | 21 ° C (69.7°F) |
| Avg. temperature | 16.1 ° C (61°F) |
| Humidity | % 88 |
| Chance of rain | 80% |
| UV Index | 4 |
| Sun Position | Sunrise:06:14 AM Sunset: 07:44 PM |
| Moon Position | Moonrise:02:56 AM Moonset: 12:39 PM Moon Phase ( Last Quarter ) |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 08 April 2025 Tuesday | Sunny |
-0.3 ° C (31.5°F) |
13.1 ° C (55.6°F) |
5.9 ° C (42.7°F) |
% 62 | 0% | 1.4 | Sunrise:06:33 AM Sunset: 07:32 PM |
Moonrise:03:36 PM Moonset: 04:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 09 April 2025 Wednesday | Moderate rain |
3.5 ° C (38.3°F) |
15.7 ° C (60.3°F) |
8.8 ° C (47.9°F) |
% 72 | 77% | 1 | Sunrise:06:32 AM Sunset: 07:32 PM |
Moonrise:04:37 PM Moonset: 05:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 10 April 2025 Thursday | Partly Cloudy |
4.6 ° C (40.3°F) |
14.8 ° C (58.6°F) |
9.2 ° C (48.6°F) |
% 83 | 0% | 1 | Sunrise:06:30 AM Sunset: 07:33 PM |
Moonrise:05:37 PM Moonset: 05:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 11 April 2025 Friday | Overcast |
5.5 ° C (41.9°F) |
8.1 ° C (46.6°F) |
6.8 ° C (44.3°F) |
% 74 | 0% | 0 | Sunrise:06:29 AM Sunset: 07:34 PM |
Moonrise:06:36 PM Moonset: 05:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 12 April 2025 Saturday | Sunny |
2.4 ° C (36.3°F) |
14.3 ° C (57.8°F) |
6.8 ° C (44.2°F) |
% 70 | 0% | 3 | Sunrise:06:27 AM Sunset: 07:35 PM |
Moonrise:07:36 PM Moonset: 06:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 13 April 2025 Sunday | Partly Cloudy |
7.2 ° C (44.9°F) |
20.4 ° C (68.8°F) |
13.2 ° C (55.8°F) |
% 74 | 0% | 4 | Sunrise:06:26 AM Sunset: 07:36 PM |
Moonrise:08:36 PM Moonset: 06:29 AM Moon Phase ( Full Moon ) |
|
| 14 April 2025 Monday | Partly Cloudy |
10.9 ° C (51.7°F) |
18.8 ° C (65.8°F) |
15 ° C (59°F) |
% 74 | 0% | 4 | Sunrise:06:24 AM Sunset: 07:37 PM |
Moonrise:09:38 PM Moonset: 06:54 AM Moon Phase ( Waning Gibbous ) |
|
| 15 April 2025 Tuesday | Sunny |
8.3 ° C (47°F) |
16.1 ° C (60.9°F) |
11.7 ° C (53°F) |
% 59 | 0% | 4 | Sunrise:06:23 AM Sunset: 07:38 PM |
Moonrise:10:40 PM Moonset: 07:22 AM Moon Phase ( Waning Gibbous ) |
|
| 16 April 2025 Wednesday | Patchy rain nearby |
4.7 ° C (40.5°F) |
14.8 ° C (58.7°F) |
9.3 ° C (48.8°F) |
% 71 | 74% | 2 | Sunrise:06:21 AM Sunset: 07:39 PM |
Moonrise:11:42 PM Moonset: 07:56 AM Moon Phase ( Waning Gibbous ) |
|
| 17 April 2025 Thursday | Patchy rain nearby |
7.1 ° C (44.8°F) |
10.1 ° C (50.1°F) |
9.2 ° C (48.5°F) |
% 92 | 88% | 2 | Sunrise:06:20 AM Sunset: 07:40 PM |
Moonrise:No moonrise Moonset: 08:37 AM Moon Phase ( Waning Gibbous ) |
|
| 18 April 2025 Friday | Sunny |
5.5 ° C (41.9°F) |
18.5 ° C (65.3°F) |
11.5 ° C (52.7°F) |
% 74 | 0% | 4 | Sunrise:06:19 AM Sunset: 07:41 PM |
Moonrise:12:40 AM Moonset: 09:27 AM Moon Phase ( Waning Gibbous ) |
|
| 19 April 2025 Saturday | Sunny |
9.4 ° C (49°F) |
22.4 ° C (72.3°F) |
15.4 ° C (59.8°F) |
% 74 | 0% | 5 | Sunrise:06:17 AM Sunset: 07:42 PM |
Moonrise:01:33 AM Moonset: 10:25 AM Moon Phase ( Waning Gibbous ) |
|
| 20 April 2025 Sunday | Patchy rain nearby |
13.9 ° C (57°F) |
21.8 ° C (71.3°F) |
17.3 ° C (63.2°F) |
% 74 | 80% | 4 | Sunrise:06:16 AM Sunset: 07:43 PM |
Moonrise:02:17 AM Moonset: 11:30 AM Moon Phase ( Last Quarter ) |
|
| 21 April 2025 Monday | Patchy rain nearby |
13.8 ° C (56.8°F) |
21 ° C (69.7°F) |
16.1 ° C (61°F) |
% 88 | 80% | 4 | Sunrise:06:14 AM Sunset: 07:44 PM |
Moonrise:02:56 AM Moonset: 12:39 PM Moon Phase ( Last Quarter ) |
|
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