Collomsville, PA Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Collomsville, PA in one place.
A chance of rain showers between 7am and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Southwest wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Collomsville, PA 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 16, 2026 12:29 PM EDT.
The active forecast window currently covers Sep 17 to Sep 22, 2026 for Collomsville, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 17 to Sep 22, 2026
- Latest sync
- Sep 16, 2026 12:29 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Collomsville
Thursday looks like the warmest upcoming period in Collomsville at 81 degrees F.
Friday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Saturday Night at about 3 to 10 mph SE.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 16, 2026 12:29 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KCCX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 8pm. Mostly cloudy, with a low around 63. West wind around 3 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 76. North wind 3 to 8 mph.
Partly cloudy, with a low around 50.
Partly sunny, with a high near 69.
Rain showers likely after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Rain showers likely before 8am, then showers and thunderstorms. Cloudy, with a high near 69. Chance of precipitation is 80%.
Rain showers likely. Cloudy, with a low around 56. Chance of precipitation is 70%.
A chance of rain showers. Mostly cloudy, with a high near 70. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Sep 17
|
Chance Rain Showers
|
81°F |
0 to 5 mph
SW
|
|
Thursday Night
Sep 17
|
Showers And Thunderstorms Likely then Mostly Cloudy
|
63°F |
3 mph
W
|
|
Friday
Sep 18
|
Mostly Sunny
|
76°F |
3 to 8 mph
N
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
50°F |
1 to 8 mph
N
|
|
Saturday
Sep 19
|
Partly Sunny
|
69°F |
1 to 5 mph
E
|
|
Saturday Night
Sep 19
|
Rain Showers Likely
|
57°F |
3 to 10 mph
SE
|
|
Sunday
Sep 20
|
Showers And Thunderstorms
|
69°F |
8 mph
SE
|
|
Sunday Night
Sep 20
|
Rain Showers Likely
|
56°F |
6 mph
NE
|
|
Monday
Sep 21
|
Chance Rain Showers
|
70°F |
7 mph
E
|
|
Monday Night
Sep 21
|
Chance Rain Showers
|
57°F |
7 mph
E
|
|
Tuesday
Sep 22
|
Chance Rain Showers
|
70°F |
7 mph
E
|
|
Tuesday Night
Sep 22
|
Chance Showers And Thunderstorms
|
56°F |
7 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Collomsville.