Fullerton, PA Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Fullerton, PA in one place.
A chance of rain showers. Partly sunny, with a high near 79. Southwest wind around 2 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Fullerton, 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 14, 2026 6:07 PM EDT.
The active forecast window currently covers Sep 16 to Sep 20, 2026 for Fullerton, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 6:07 PM EDT
- Forecast office
- CTP
- Source
- NOAA / NWS
Daily Outlook
This Week in Fullerton
Wednesday looks like the warmest upcoming period in Fullerton at 79 degrees F.
Friday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Saturday Night at about 8 mph SW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 6:07 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- CTP
- Radar station
- KBUF
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
A slight chance of rain showers before 8am, then showers and thunderstorms likely. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
A slight chance of rain showers after 2pm. Mostly cloudy, with a high near 74.
A slight chance of rain showers before 8pm. Mostly cloudy, with a low around 52.
A chance of rain showers after 8am. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Rain showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Rain showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
A chance of rain showers. Mostly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Chance Rain Showers
|
79°F |
2 mph
SW
|
|
Wednesday Night
Sep 16
|
Chance Rain Showers
|
61°F |
1 mph
SE
|
|
Thursday
Sep 17
|
Showers And Thunderstorms Likely
|
79°F |
2 to 6 mph
SW
|
|
Thursday Night
Sep 17
|
Showers And Thunderstorms Likely
|
59°F |
0 to 5 mph
NW
|
|
Friday
Sep 18
|
Mostly Cloudy then Slight Chance Rain Showers
|
74°F |
1 to 5 mph
N
|
|
Friday Night
Sep 18
|
Slight Chance Rain Showers then Mostly Cloudy
|
52°F |
1 to 5 mph
NE
|
|
Saturday
Sep 19
|
Chance Rain Showers
|
75°F |
2 to 7 mph
S
|
|
Saturday Night
Sep 19
|
Rain Showers Likely
|
57°F |
8 mph
SW
|
|
Sunday
Sep 20
|
Rain Showers Likely
|
72°F |
8 mph
W
|
|
Sunday Night
Sep 20
|
Chance Rain Showers
|
52°F |
3 to 7 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fullerton.