Mount Vernon Weather Forecast 15 Days, Weather in Mount Vernon Today
Current weather conditions and 15 day weather forecast for Mount Vernon, 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 Mount Vernon
| 27 June 2026 Saturday 28.1 ° C / 82.6°F  Partly cloudy |
Feels Like : 30.2 ° C / 86.4°F Humidity : % 79 Pressure : 1013 mb Wind Speed : 25.9 kmph / 16.1 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Mount Vernon, IL, USA
Weather Forecast for next 15 Days for Mount Vernon 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 Mount Vernon, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 27 June 2026 Saturday |  Heavy rain |
22.6 ° C (72.7°F) |
31.7 ° C (89.1°F) |
25.9 ° C (78.5°F) |
% 86 | 82% | 8 | Sunrise:05:34 AM Sunset: 08:23 PM |
Moonrise:07:14 PM Moonset: 03:26 AM Moon Phase ( Full Moon ) |
|
| 28 June 2026 Sunday |  Moderate rain |
21.2 ° C (70.2°F) |
33 ° C (91.4°F) |
26.7 ° C (80.1°F) |
% 81 | 71% | 10.6 | Sunrise:05:34 AM Sunset: 08:23 PM |
Moonrise:08:07 PM Moonset: 04:14 AM Moon Phase ( Full Moon ) |
|
| 29 June 2026 Monday | Partly Cloudy |
22.7 ° C (72.9°F) |
33.7 ° C (92.7°F) |
27.9 ° C (82.3°F) |
% 74 | 8% | 10.7 | Sunrise:05:34 AM Sunset: 08:23 PM |
Moonrise:08:53 PM Moonset: 05:08 AM Moon Phase ( Full Moon ) |
|
| 30 June 2026 Tuesday |  Sunny |
23 ° C (73.4°F) |
34.8 ° C (94.7°F) |
28.7 ° C (83.6°F) |
% 71 | 6% | 10.9 | Sunrise:05:35 AM Sunset: 08:23 PM |
Moonrise:09:32 PM Moonset: 06:07 AM Moon Phase ( Full Moon ) |
|
| 01 July 2026 Wednesday |  Patchy rain nearby |
24.6 ° C (76.3°F) |
35.4 ° C (95.7°F) |
29.3 ° C (84.7°F) |
% 71 | 36% | 0.5 | Sunrise:05:35 AM Sunset: 08:23 PM |
Moonrise:10:04 PM Moonset: 07:08 AM Moon Phase ( Waning Gibbous ) |
|
| 02 July 2026 Thursday | Sunny |
23.2 ° C (73.7°F) |
34.2 ° C (93.5°F) |
27.6 ° C (81.8°F) |
% 74 | 9% | 7 | Sunrise:05:36 AM Sunset: 08:23 PM |
Moonrise:10:31 PM Moonset: 08:09 AM Moon Phase ( Waning Gibbous ) |
|
| 03 July 2026 Friday | Sunny |
23.3 ° C (74°F) |
33.3 ° C (92°F) |
28 ° C (82.4°F) |
% 69 | 8% | 7 | Sunrise:05:36 AM Sunset: 08:22 PM |
Moonrise:10:55 PM Moonset: 09:09 AM Moon Phase ( Waning Gibbous ) |
|
| 04 July 2026 Saturday | Sunny |
22.8 ° C (73°F) |
32.9 ° C (91.3°F) |
27.7 ° C (81.8°F) |
% 69 | 6% | 7 | Sunrise:05:37 AM Sunset: 08:22 PM |
Moonrise:11:17 PM Moonset: 10:09 AM Moon Phase ( Waning Gibbous ) |
|
| 05 July 2026 Sunday | Partly Cloudy |
23.5 ° C (74.3°F) |
33.8 ° C (92.9°F) |
28.4 ° C (83.1°F) |
% 66 | 17% | 7 | Sunrise:05:37 AM Sunset: 08:22 PM |
Moonrise:11:38 PM Moonset: 11:08 AM Moon Phase ( Last Quarter ) |
|
| 06 July 2026 Monday | Patchy rain nearby |
21.8 ° C (71.3°F) |
34.1 ° C (93.4°F) |
26.9 ° C (80.4°F) |
% 73 | 63% | 6 | Sunrise:05:38 AM Sunset: 08:22 PM |
Moonrise:Does not rise today Moonset: 12:07 PM Moon Phase ( Last Quarter ) |
|
| 07 July 2026 Tuesday | Patchy rain nearby |
21 ° C (69.9°F) |
33 ° C (91.4°F) |
26.5 ° C (79.7°F) |
% 72 | 57% | 6 | Sunrise:05:39 AM Sunset: 08:22 PM |
Moonrise:12:00 AM Moonset: 01:09 PM Moon Phase ( Last Quarter ) |
|
| 08 July 2026 Wednesday | Patchy rain nearby |
22.2 ° C (71.9°F) |
30 ° C (85.9°F) |
25.5 ° C (78°F) |
% 83 | 66% | 6 | Sunrise:05:39 AM Sunset: 08:21 PM |
Moonrise:12:23 AM Moonset: 02:14 PM Moon Phase ( Waning Crescent ) |
|
| 09 July 2026 Thursday | Patchy rain nearby |
22.4 ° C (72.4°F) |
30.5 ° C (86.9°F) |
26.2 ° C (79.2°F) |
% 77 | 18% | 6 | Sunrise:05:40 AM Sunset: 08:21 PM |
Moonrise:12:51 AM Moonset: 03:22 PM Moon Phase ( Waning Crescent ) |
|
| 10 July 2026 Friday | Sunny |
19.3 ° C (66.8°F) |
27.9 ° C (82.2°F) |
23 ° C (73.4°F) |
% 73 | 7% | 6 | Sunrise:05:40 AM Sunset: 08:21 PM |
Moonrise:01:24 AM Moonset: 04:35 PM Moon Phase ( Waning Crescent ) |
|
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