Grayville Weather Forecast 15 Days, Weather in Grayville Today
Current weather conditions and 15 day weather forecast for Grayville, 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 Grayville
| 27 June 2026 Saturday 28.9 ° C / 84°F  Moderate or heavy rain with thunder |
Feels Like : 31.1 ° C / 88°F Humidity : % 75 Pressure : 1013 mb Wind Speed : 25.2 kmph / 15.7 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Grayville, IL, USA
Weather Forecast for next 15 Days for Grayville 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 Grayville, 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 |  Moderate rain |
22.6 ° C (72.7°F) |
32.9 ° C (91.2°F) |
26.2 ° C (79.1°F) |
% 82 | 77% | 8.1 | Sunrise:05:30 AM Sunset: 08:19 PM |
Moonrise:07:10 PM Moonset: 03:23 AM Moon Phase ( Full Moon ) |
|
| 28 June 2026 Sunday | Moderate rain |
21.6 ° C (70.8°F) |
32.8 ° C (91.1°F) |
26.7 ° C (80°F) |
% 82 | 78% | 10.6 | Sunrise:05:31 AM Sunset: 08:19 PM |
Moonrise:08:03 PM Moonset: 04:10 AM Moon Phase ( Full Moon ) |
|
| 29 June 2026 Monday |  Sunny |
22.9 ° C (73.2°F) |
34 ° C (93.2°F) |
27.9 ° C (82.2°F) |
% 78 | 9% | 10.7 | Sunrise:05:31 AM Sunset: 08:19 PM |
Moonrise:08:49 PM Moonset: 05:05 AM Moon Phase ( Full Moon ) |
|
| 30 June 2026 Tuesday |  Patchy rain nearby |
23.6 ° C (74.6°F) |
34.5 ° C (94.1°F) |
28.8 ° C (83.8°F) |
% 75 | 57% | 11 | Sunrise:05:31 AM Sunset: 08:19 PM |
Moonrise:09:28 PM Moonset: 06:03 AM Moon Phase ( Full Moon ) |
|
| 01 July 2026 Wednesday | Sunny |
25.1 ° C (77.1°F) |
35 ° C (95°F) |
29.4 ° C (85°F) |
% 72 | 8% | 0.5 | Sunrise:05:32 AM Sunset: 08:19 PM |
Moonrise:10:00 PM Moonset: 07:04 AM Moon Phase ( Waning Gibbous ) |
|
| 02 July 2026 Thursday | Sunny |
23.5 ° C (74.2°F) |
33.5 ° C (92.3°F) |
28 ° C (82.4°F) |
% 73 | 7% | 7 | Sunrise:05:32 AM Sunset: 08:19 PM |
Moonrise:10:27 PM Moonset: 08:05 AM Moon Phase ( Waning Gibbous ) |
|
| 03 July 2026 Friday | Sunny |
23.9 ° C (75°F) |
33.5 ° C (92.3°F) |
28.1 ° C (82.6°F) |
% 75 | 8% | 7 | Sunrise:05:33 AM Sunset: 08:19 PM |
Moonrise:10:51 PM Moonset: 09:06 AM Moon Phase ( Waning Gibbous ) |
|
| 04 July 2026 Saturday | Sunny |
23 ° C (73.4°F) |
32.7 ° C (90.9°F) |
27.9 ° C (82.2°F) |
% 70 | 6% | 7 | Sunrise:05:33 AM Sunset: 08:18 PM |
Moonrise:11:13 PM Moonset: 10:05 AM Moon Phase ( Waning Gibbous ) |
|
| 05 July 2026 Sunday | Sunny |
23.5 ° C (74.2°F) |
33.7 ° C (92.7°F) |
28.4 ° C (83.2°F) |
% 70 | 7% | 7 | Sunrise:05:34 AM Sunset: 08:18 PM |
Moonrise:11:34 PM Moonset: 11:04 AM Moon Phase ( Last Quarter ) |
|
| 06 July 2026 Monday | Patchy rain nearby |
22.3 ° C (72.1°F) |
33.7 ° C (92.6°F) |
27.4 ° C (81.3°F) |
% 73 | 41% | 6 | Sunrise:05:35 AM Sunset: 08:18 PM |
Moonrise:11:56 PM Moonset: 12:04 PM Moon Phase ( Last Quarter ) |
|
| 07 July 2026 Tuesday | Patchy rain nearby |
21.6 ° C (71°F) |
33 ° C (91.5°F) |
26.5 ° C (79.7°F) |
% 71 | 59% | 6 | Sunrise:05:35 AM Sunset: 08:18 PM |
Moonrise:Does not rise today Moonset: 01:05 PM Moon Phase ( Last Quarter ) |
|
| 08 July 2026 Wednesday | Moderate rain |
22.1 ° C (71.8°F) |
29.8 ° C (85.7°F) |
25.2 ° C (77.4°F) |
% 86 | 77% | 6 | Sunrise:05:36 AM Sunset: 08:17 PM |
Moonrise:12:20 AM Moonset: 02:10 PM Moon Phase ( Waning Crescent ) |
|
| 09 July 2026 Thursday | Patchy rain nearby |
22.5 ° C (72.5°F) |
30.1 ° C (86.2°F) |
26 ° C (78.8°F) |
% 79 | 57% | 6 | Sunrise:05:36 AM Sunset: 08:17 PM |
Moonrise:12:47 AM Moonset: 03:18 PM Moon Phase ( Waning Crescent ) |
|
| 10 July 2026 Friday | Sunny |
19 ° C (66.1°F) |
27.6 ° C (81.6°F) |
22.7 ° C (72.8°F) |
% 74 | 7% | 6 | Sunrise:05:37 AM Sunset: 08:17 PM |
Moonrise:01:20 AM Moonset: 04:30 PM Moon Phase ( Waning Crescent ) |
|
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