Princeton, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Princeton, IL in one place.
Partly sunny. High near 84, with temperatures falling to around 82 in the afternoon. East wind 10 to 15 mph.
Local Weather Overview
This forecast page for Princeton, 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 30, 2026 4:26 PM CDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Princeton, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 4:26 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Princeton
Friday looks like the warmest upcoming period in Princeton at 89 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for This Afternoon at about 10 to 15 mph E.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 4:26 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 58. East wind 10 to 15 mph, with gusts as high as 25 mph.
Partly sunny. High near 81, with temperatures falling to around 79 in the afternoon. Southeast wind 5 to 10 mph.
A slight chance of rain showers after 4am. Partly cloudy, with a low around 59. East wind 0 to 5 mph. Chance of precipitation is 20%.
A slight chance of rain showers. Mostly sunny, with a high near 83.
A slight chance of rain showers before 7pm. Mostly clear, with a low around 55.
Sunny, with a high near 83.
Clear, with a low around 54.
Sunny, with a high near 86.
Mostly clear, with a low around 58.
Mostly sunny, with a high near 88.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
May 30
|
Partly Sunny
|
84°F |
10 to 15 mph
E
|
|
Tonight
May 30
|
Mostly Cloudy
|
58°F |
10 to 15 mph
E
|
|
Sunday
May 31
|
Partly Sunny
|
81°F |
5 to 10 mph
SE
|
|
Sunday Night
May 31
|
Partly Cloudy then Slight Chance Rain Showers
|
59°F |
0 to 5 mph
E
|
|
Monday
Jun 1
|
Slight Chance Rain Showers
|
83°F |
5 mph
E
|
|
Monday Night
Jun 1
|
Slight Chance Rain Showers then Mostly Clear
|
55°F |
5 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
83°F |
5 to 10 mph
NE
|
|
Tuesday Night
Jun 2
|
Clear
|
54°F |
0 to 10 mph
E
|
|
Wednesday
Jun 3
|
Sunny
|
86°F |
0 to 5 mph
SE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
58°F |
5 mph
S
|
|
Thursday
Jun 4
|
Mostly Sunny
|
88°F |
5 to 15 mph
S
|
|
Thursday Night
Jun 4
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
64°F |
10 to 15 mph
SW
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
89°F |
10 to 15 mph
SW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
65°F |
10 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Princeton.