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 93. Southwest wind around 13 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: Oct 13, 2026 5:44 PM CDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Frankfort, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 5:44 PM CDT
- Forecast office
- PAH
- Source
- NOAA / NWS
Daily Outlook
This Week in Frankfort
This Afternoon looks like the warmest upcoming period in Frankfort at 93 degrees F.
Saturday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Friday at about 18 to 23 mph NNW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 5:44 PM CDT
- Coverage
- 7 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 showers and thunderstorms after 4am. Mostly clear. Low around 72, with temperatures rising to around 74 overnight. South southwest wind 5 to 9 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms between 7am and 3pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 82, with temperatures falling to around 80 in the afternoon. West southwest wind 3 to 8 mph. Chance of precipitation is 80%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. North northeast wind 0 to 3 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely. Partly sunny, with a high near 87. South wind 1 to 13 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. West southwest wind 7 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
A chance of rain showers before 7am. Mostly sunny, with a high near 63. North northwest wind 18 to 23 mph, with gusts as high as 31 mph.
Mostly clear, with a low around 39. North wind 5 to 18 mph, with gusts as high as 24 mph.
Sunny, with a high near 62. Northeast wind 3 to 7 mph.
Clear, with a low around 38. East wind around 2 mph.
Sunny, with a high near 70. South southeast wind 1 to 8 mph.
Partly cloudy, with a low around 46. South wind around 5 mph.
Mostly sunny, with a high near 74. South wind 3 to 8 mph.
Partly cloudy, with a low around 50. Southeast wind around 2 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 13
|
Sunny
|
93°F |
13 mph
SW
|
|
Tonight
Oct 13
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
72°F |
5 to 9 mph
SSW
|
|
Wednesday
Oct 14
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms
|
82°F |
3 to 8 mph
WSW
|
|
Wednesday Night
Oct 14
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
67°F |
0 to 3 mph
NNE
|
|
Thursday
Oct 15
|
Showers And Thunderstorms Likely
|
87°F |
1 to 13 mph
S
|
|
Thursday Night
Oct 15
|
Chance Showers And Thunderstorms
|
52°F |
7 to 17 mph
WSW
|
|
Friday
Oct 16
|
Chance Rain Showers then Mostly Sunny
|
63°F |
18 to 23 mph
NNW
|
|
Friday Night
Oct 16
|
Mostly Clear
|
39°F |
5 to 18 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
62°F |
3 to 7 mph
NE
|
|
Saturday Night
Oct 17
|
Clear
|
38°F |
2 mph
E
|
|
Sunday
Oct 18
|
Sunny
|
70°F |
1 to 8 mph
SSE
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
46°F |
5 mph
S
|
|
Monday
Oct 19
|
Mostly Sunny
|
74°F |
3 to 8 mph
S
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
50°F |
2 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Frankfort.
