Fullerton, PA Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Fullerton, PA in one place.
A slight chance of rain showers between 2pm and 5pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
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: Apr 14, 2026 12:57 AM EDT.
The active forecast window currently covers Apr 15 to Apr 20, 2026 for Fullerton, PA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 20, 2026
- Latest sync
- Apr 14, 2026 12:57 AM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Fullerton
Wednesday looks like the warmest upcoming period in Fullerton at 87 degrees F.
Sunday Night is the coolest period ahead with temperatures near 38 degrees F.
The strongest winds are forecast for Sunday at about 5 to 15 mph SW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 14, 2026 12:57 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
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 64. West wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Partly sunny, with a high near 87.
A slight chance of rain showers after 8pm. Mostly cloudy, with a low around 63.
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Mostly sunny, with a high near 82.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
A chance of rain showers. Partly cloudy, with a low around 38. Chance of precipitation is 50%.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
87°F |
5 to 10 mph
SW
|
|
Wednesday Night
Apr 15
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
64°F |
0 to 5 mph
W
|
|
Thursday
Apr 16
|
Partly Sunny
|
87°F |
0 to 10 mph
SW
|
|
Thursday Night
Apr 16
|
Slight Chance Rain Showers
|
63°F |
0 to 5 mph
SW
|
|
Friday
Apr 17
|
Chance Rain Showers
|
81°F |
0 to 5 mph
W
|
|
Friday Night
Apr 17
|
Chance Showers And Thunderstorms then Partly Cloudy
|
57°F |
0 to 5 mph
N
|
|
Saturday
Apr 18
|
Mostly Sunny
|
82°F |
0 to 10 mph
E
|
|
Saturday Night
Apr 18
|
Chance Rain Showers
|
57°F |
5 to 10 mph
SE
|
|
Sunday
Apr 19
|
Chance Rain Showers
|
74°F |
5 to 15 mph
SW
|
|
Sunday Night
Apr 19
|
Chance Rain Showers
|
38°F |
5 to 10 mph
W
|
|
Monday
Apr 20
|
Slight Chance Rain Showers then Mostly Sunny
|
56°F |
10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Fullerton.