Collegeville, IN Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Collegeville, IN in one place.
Showers and thunderstorms likely. Partly sunny. High near 82, with temperatures falling to around 80 in the afternoon. Northeast wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Collegeville, IN 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: Sep 15, 2026 12:26 PM CDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Collegeville, IN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 12:26 PM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Collegeville
Saturday looks like the warmest upcoming period in Collegeville at 86 degrees F.
Monday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Friday Night at about 5 to 10 mph SE.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 12:26 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KLOT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely. Mostly cloudy, with a low around 67. East southeast wind around 0 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 84. West northwest wind 0 to 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 81.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Showers and thunderstorms likely. Mostly cloudy, with a low around 64.
Showers and thunderstorms likely. Partly sunny, with a high near 77.
A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
A slight chance of showers and thunderstorms. Partly sunny, with a high near 73.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Showers And Thunderstorms Likely
|
82°F |
0 to 5 mph
NE
|
|
Wednesday Night
Sep 16
|
Showers And Thunderstorms Likely
|
67°F |
0 mph
|
|
Thursday
Sep 17
|
Showers And Thunderstorms Likely
|
84°F |
0 to 5 mph
WNW
|
|
Thursday Night
Sep 17
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
63°F |
0 to 5 mph
NNE
|
|
Friday
Sep 18
|
Chance Showers And Thunderstorms
|
81°F |
0 to 5 mph
ENE
|
|
Friday Night
Sep 18
|
Slight Chance Showers And Thunderstorms
|
63°F |
5 to 10 mph
SE
|
|
Saturday
Sep 19
|
Slight Chance Showers And Thunderstorms
|
86°F |
10 mph
SSW
|
|
Saturday Night
Sep 19
|
Showers And Thunderstorms Likely
|
64°F |
5 to 10 mph
WSW
|
|
Sunday
Sep 20
|
Showers And Thunderstorms Likely
|
77°F |
5 to 10 mph
NNW
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
56°F |
5 to 10 mph
NNE
|
|
Monday
Sep 21
|
Slight Chance Showers And Thunderstorms
|
73°F |
5 to 10 mph
NE
|
|
Monday Night
Sep 21
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
51°F |
5 to 10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Collegeville.