Alton Weather Forecast 15 Days, Weather in Alton Today
Current weather conditions and 15 day weather forecast for Alton, Indiana, 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
| 26 March 2026 Thursday 17.8 ° C / 64°F  Partly cloudy |
Feels Like : 17.8 ° C / 64°F Humidity : % 73 Pressure : 1013 mb Wind Speed : 18.7 kmph / 11.6 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Alton, IN, 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, Indiana 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 March 2026 Thursday |  Sunny |
17.4 ° C (63.3°F) |
29.8 ° C (85.6°F) |
22.5 ° C (72.5°F) |
% 58 | 0% | 1.8 | Sunrise:07:40 AM Sunset: 08:03 PM |
Moonrise:01:19 PM Moonset: 04:01 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday |  Overcast |
5.5 ° C (41.9°F) |
15.7 ° C (60.3°F) |
12.8 ° C (55.1°F) |
% 73 | 0% | 0.5 | Sunrise:07:38 AM Sunset: 08:04 PM |
Moonrise:02:30 PM Moonset: 04:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday | Sunny |
-1 ° C (30.2°F) |
11.3 ° C (52.3°F) |
4.6 ° C (40.2°F) |
% 54 | 0% | 1.7 | Sunrise:07:37 AM Sunset: 08:05 PM |
Moonrise:03:42 PM Moonset: 05:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday | Partly Cloudy |
2.1 ° C (35.8°F) |
15.8 ° C (60.4°F) |
8.9 ° C (48°F) |
% 61 | 0% | 1.1 | Sunrise:07:35 AM Sunset: 08:06 PM |
Moonrise:04:51 PM Moonset: 05:54 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday | Partly Cloudy |
12.8 ° C (55°F) |
20.6 ° C (69°F) |
15.5 ° C (59.9°F) |
% 74 | 0% | 0 | Sunrise:07:34 AM Sunset: 08:07 PM |
Moonrise:05:57 PM Moonset: 06:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday |  Patchy rain nearby |
15.1 ° C (59.1°F) |
23.3 ° C (73.9°F) |
18.6 ° C (65.5°F) |
% 79 | 80% | 4 | Sunrise:07:32 AM Sunset: 08:08 PM |
Moonrise:07:01 PM Moonset: 06:43 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Patchy rain nearby |
17.5 ° C (63.5°F) |
25 ° C (76.9°F) |
20.6 ° C (69.1°F) |
% 74 | 0% | 5 | Sunrise:07:31 AM Sunset: 08:09 PM |
Moonrise:08:04 PM Moonset: 07:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday | Patchy rain nearby |
18.4 ° C (65.2°F) |
24.4 ° C (75.9°F) |
20.7 ° C (69.2°F) |
% 72 | 65% | 5 | Sunrise:07:29 AM Sunset: 08:10 PM |
Moonrise:09:06 PM Moonset: 07:29 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday |  Moderate rain |
6.4 ° C (43.6°F) |
16.5 ° C (61.7°F) |
13.6 ° C (56.5°F) |
% 89 | 76% | 3 | Sunrise:07:28 AM Sunset: 08:10 PM |
Moonrise:10:09 PM Moonset: 07:53 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Sunny |
1.3 ° C (34.4°F) |
12.6 ° C (54.7°F) |
5.9 ° C (42.6°F) |
% 63 | 0% | 3 | Sunrise:07:26 AM Sunset: 08:11 PM |
Moonrise:11:12 PM Moonset: 08:20 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Sunny |
2 ° C (35.6°F) |
17.5 ° C (63.6°F) |
8.9 ° C (47.9°F) |
% 64 | 0% | 3 | Sunrise:07:25 AM Sunset: 08:12 PM |
Moonrise:No moonrise Moonset: 08:52 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Overcast |
6.6 ° C (43.9°F) |
19.5 ° C (67.1°F) |
12.2 ° C (54°F) |
% 68 | 0% | 3 | Sunrise:07:23 AM Sunset: 08:13 PM |
Moonrise:12:14 AM Moonset: 09:29 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Patchy rain nearby |
8.6 ° C (47.5°F) |
19.9 ° C (67.9°F) |
13.8 ° C (56.8°F) |
% 78 | 75% | 3 | Sunrise:07:22 AM Sunset: 08:14 PM |
Moonrise:01:13 AM Moonset: 10:13 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday | Patchy rain nearby |
5.1 ° C (41.2°F) |
14.3 ° C (57.7°F) |
11 ° C (51.9°F) |
% 74 | 89% | 3 | Sunrise:07:20 AM Sunset: 08:15 PM |
Moonrise:02:07 AM Moonset: 11:04 AM Moon Phase ( Waning Gibbous ) |
|
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