Grayville, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grayville, IL in one place.
Sunny. High near 87, with temperatures falling to around 85 in the afternoon. North northeast wind 2 to 6 mph.
Local Weather Overview
This forecast page for Grayville, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 27, 2026 11:24 PM CDT.
The active forecast window currently covers Aug 28 to Sep 3, 2026 for Grayville, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 28 to Sep 3, 2026
- Latest sync
- Aug 27, 2026 11:24 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Grayville
Wednesday looks like the warmest upcoming period in Grayville at 97 degrees F.
Friday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Sunday at about 2 to 9 mph S.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Aug 27, 2026 11:24 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KVWX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 62. Northeast wind 1 to 5 mph.
Sunny, with a high near 88. East southeast wind around 2 mph.
Mostly clear, with a low around 65. Southeast wind around 2 mph.
Sunny, with a high near 93. South wind 2 to 9 mph.
Mostly clear, with a low around 71. South wind 3 to 7 mph.
Sunny, with a high near 95. South southwest wind 5 to 9 mph.
Mostly clear, with a low around 73. South wind 3 to 8 mph.
Sunny, with a high near 96. South southwest wind 2 to 8 mph.
Mostly clear, with a low around 74. South southwest wind 2 to 7 mph.
Sunny, with a high near 97. South southwest wind 2 to 7 mph.
Mostly clear, with a low around 75. South southwest wind 2 to 6 mph.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 97. Southwest wind 2 to 7 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Aug 28
|
Sunny
|
87°F |
2 to 6 mph
NNE
|
|
Friday Night
Aug 28
|
Mostly Clear
|
62°F |
1 to 5 mph
NE
|
|
Saturday
Aug 29
|
Sunny
|
88°F |
2 mph
ESE
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
65°F |
2 mph
SE
|
|
Sunday
Aug 30
|
Sunny
|
93°F |
2 to 9 mph
S
|
|
Sunday Night
Aug 30
|
Mostly Clear
|
71°F |
3 to 7 mph
S
|
|
Monday
Aug 31
|
Sunny
|
95°F |
5 to 9 mph
SSW
|
|
Monday Night
Aug 31
|
Mostly Clear
|
73°F |
3 to 8 mph
S
|
|
Tuesday
Sep 1
|
Sunny
|
96°F |
2 to 8 mph
SSW
|
|
Tuesday Night
Sep 1
|
Mostly Clear
|
74°F |
2 to 7 mph
SSW
|
|
Wednesday
Sep 2
|
Sunny
|
97°F |
2 to 7 mph
SSW
|
|
Wednesday Night
Sep 2
|
Mostly Clear
|
75°F |
2 to 6 mph
SSW
|
|
Thursday
Sep 3
|
Sunny then Slight Chance Showers And Thunderstorms
|
97°F |
2 to 7 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grayville.