Fullerton, PA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Fullerton, PA in one place.
Mostly sunny, with a high near 82. Southwest wind 0 to 5 mph.
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 15, 2026 11:31 AM EDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Fullerton, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 11:31 AM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Fullerton
Thursday looks like the warmest upcoming period in Fullerton at 86 degrees F.
Monday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Friday at about 0 to 10 mph N.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 11:31 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- PHI
- Radar station
- KDIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 63. Southwest wind around 0 mph.
Mostly sunny, with a high near 86. Southwest wind 0 to 5 mph.
A slight chance of rain showers between 8pm and 2am. Partly cloudy, with a low around 67. Chance of precipitation is 20%.
Mostly sunny, with a high near 82.
Partly cloudy, with a low around 58.
Mostly sunny, with a high near 75.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.
A chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Mostly Sunny
|
82°F |
0 to 5 mph
SW
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
63°F |
0 mph
|
|
Thursday
Sep 17
|
Mostly Sunny
|
86°F |
0 to 5 mph
SW
|
|
Thursday Night
Sep 17
|
Slight Chance Rain Showers
|
67°F |
0 to 5 mph
SW
|
|
Friday
Sep 18
|
Mostly Sunny
|
82°F |
0 to 10 mph
N
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
58°F |
5 to 10 mph
N
|
|
Saturday
Sep 19
|
Mostly Sunny
|
75°F |
5 mph
E
|
|
Saturday Night
Sep 19
|
Chance Rain Showers
|
62°F |
5 to 10 mph
SE
|
|
Sunday
Sep 20
|
Showers And Thunderstorms Likely
|
81°F |
5 to 10 mph
SW
|
|
Sunday Night
Sep 20
|
Showers And Thunderstorms Likely
|
62°F |
5 to 10 mph
N
|
|
Monday
Sep 21
|
Chance Rain Showers
|
75°F |
5 to 10 mph
NE
|
|
Monday Night
Sep 21
|
Chance Showers And Thunderstorms
|
56°F |
5 to 10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fullerton.