Frankfort, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Frankfort, IL in one place.
Sunny, with a high near 81. South southwest wind 1 to 12 mph, with gusts as high as 18 mph.
Local Weather Overview
This forecast page for Frankfort, 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: May 10, 2026 7:54 PM CDT.
The active forecast window currently covers May 12 to May 16, 2026 for Frankfort, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 12 to May 16, 2026
- Latest sync
- May 10, 2026 7:54 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Frankfort
Saturday looks like the warmest upcoming period in Frankfort at 87 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Friday at about 8 to 16 mph S.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 10, 2026 7:54 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- PAH
- Radar station
- KPAH
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers after 1am. Partly cloudy, with a low around 60. Southwest wind 5 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7am. Sunny, with a high near 78. West northwest wind 5 to 15 mph, with gusts as high as 23 mph.
Clear, with a low around 51. North wind 1 to 12 mph, with gusts as high as 18 mph.
Sunny, with a high near 76. Northeast wind around 3 mph.
Mostly clear, with a low around 55. Southeast wind 2 to 8 mph.
A slight chance of rain showers between 7am and 1pm. Mostly sunny, with a high near 83. South wind 8 to 16 mph, with gusts as high as 24 mph.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 65. South southwest wind around 14 mph, with gusts as high as 22 mph.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. South southwest wind 10 to 15 mph, with gusts as high as 22 mph.
A slight chance of showers and thunderstorms. Mostly clear, with a low around 66. South southwest wind 9 to 13 mph, with gusts as high as 18 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
May 12
|
Sunny
|
81°F |
1 to 12 mph
SSW
|
|
Tuesday Night
May 12
|
Partly Cloudy then Slight Chance Rain Showers
|
60°F |
5 to 10 mph
SW
|
|
Wednesday
May 13
|
Slight Chance Rain Showers then Sunny
|
78°F |
5 to 15 mph
WNW
|
|
Wednesday Night
May 13
|
Clear
|
51°F |
1 to 12 mph
N
|
|
Thursday
May 14
|
Sunny
|
76°F |
3 mph
NE
|
|
Thursday Night
May 14
|
Mostly Clear
|
55°F |
2 to 8 mph
SE
|
|
Friday
May 15
|
Slight Chance Rain Showers
|
83°F |
8 to 16 mph
S
|
|
Friday Night
May 15
|
Slight Chance Showers And Thunderstorms
|
65°F |
14 mph
SSW
|
|
Saturday
May 16
|
Slight Chance Showers And Thunderstorms
|
87°F |
10 to 15 mph
SSW
|
|
Saturday Night
May 16
|
Slight Chance Showers And Thunderstorms
|
66°F |
9 to 13 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Frankfort.
