Flat Rock, PA Hourly Weather Updates

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Flat Rock Weather Map
UTC Time: 9/13/2026, 11:41
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Flat Rock, PA

Today
Thunderstorms
82°/ 65° 28°/ 18°
90%
Monday
Rain Showers
75°/ 55° 24°/ 13°
20%
Tuesday
Sunny
72°/ 58° 22°/ 14°
0%
Wednesday
Sunny
80°/ 65° 27°/ 18°
0%
Thursday
Sunny
82°/ 65° 28°/ 18°
0%
Friday
Rain Showers
82°/ 62° 28°/ 17°
30%

Day: Cloudy with showers with a chance of thunderstorms this morning, then partly sunny with a chance of showers this afternoon. Locally heavy rainfall possible this morning. Highs in the lower 80s. Northeast winds around 5 mph, becoming northwest around 5 mph this afternoon. Chance of rain 90 percent.

Night: Partly cloudy. A slight chance of showers after midnight. Humid with lows in the mid 60s. Southwest winds around 5 mph, becoming northwest after midnight. Chance of rain 20 percent.

Philadelphia, PA

Today
Thunderstorms
82°/ 68° 28°/ 20°
90%
Monday
Sunny
75°/ 55° 24°/ 13°
0%
Tuesday
Sunny
78°/ 58° 26°/ 14°
0%
Wednesday
Sunny
82°/ 65° 28°/ 18°
0%
Thursday
Sunny
85°/ 65° 29°/ 18°
0%
Friday
Partly Cloudy
85°/ 65° 29°/ 18°
30%

Day: Mostly cloudy with showers with a chance of thunderstorms this morning, then mostly sunny this afternoon. Some thunderstorms may produce heavy rainfall this morning. Highs in the lower 80s. North winds around 5 mph, becoming west around 5 mph this afternoon. Chance of rain 90 percent.

Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 60s. West winds 5 to 10 mph.

Media, PA

Today
Thunderstorms
82°/ 68° 28°/ 20°
90%
Monday
Sunny
75°/ 55° 24°/ 13°
0%
Tuesday
Sunny
78°/ 58° 26°/ 14°
0%
Wednesday
Sunny
82°/ 62° 28°/ 17°
0%
Thursday
Sunny
85°/ 65° 29°/ 18°
0%
Friday
Partly Cloudy
85°/ 65° 29°/ 18°
0%

Day: Mostly cloudy with showers with a chance of thunderstorms this morning, then mostly sunny this afternoon. Some thunderstorms may produce heavy rainfall this morning. Highs in the lower 80s. Northwest winds around 5 mph. Chance of rain 90 percent.

Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 60s. West winds 5 to 10 mph.

West Chester, PA

Today
Thunderstorms
82°/ 65° 28°/ 18°
90%
Monday
Sunny
75°/ 52° 24°/ 11°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
80°/ 62° 27°/ 17°
0%
Thursday
Sunny
82°/ 62° 28°/ 17°
0%
Friday
Partly Cloudy
82°/ 62° 28°/ 17°
30%

Day: Mostly cloudy with showers with a chance of thunderstorms this morning, then mostly sunny this afternoon. Highs in the lower 80s. Northwest winds around 5 mph. Chance of rain 90 percent.

Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 60s. West winds 5 to 10 mph.

Collegeville, PA

Today
Thunderstorms
82°/ 65° 28°/ 18°
80%
Monday
Sunny
75°/ 50° 24°/ 10°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
82°/ 62° 28°/ 17°
0%
Thursday
Sunny
82°/ 62° 28°/ 17°
0%
Friday
Partly Cloudy
82°/ 60° 28°/ 16°
30%

Day: Mostly cloudy with showers with a chance of thunderstorms this morning, then mostly sunny this afternoon. Some thunderstorms may produce heavy rainfall this morning. Highs in the lower 80s. Northwest winds around 5 mph. Chance of rain 80 percent.

Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 60s. West winds 5 to 10 mph.

Honey Brook, PA

Today
Thunderstorms
82°/ 65° 28°/ 18°
80%
Monday
Sunny
75°/ 50° 24°/ 10°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
80°/ 62° 27°/ 17°
0%
Thursday
Sunny
82°/ 62° 28°/ 17°
0%
Friday
Partly Cloudy
82°/ 62° 28°/ 17°
30%

Day: Mostly cloudy with showers with a chance of thunderstorms this morning, then mostly sunny this afternoon. Highs in the lower 80s. Northwest winds around 5 mph. Chance of rain 80 percent.

Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 60s. West winds 5 to 10 mph.

Camden, NJ

Today
Thunderstorms
82°/ 68° 28°/ 20°
100%
Monday
Sunny
78°/ 55° 26°/ 13°
0%
Tuesday
Sunny
78°/ 58° 26°/ 14°
0%
Wednesday
Sunny
82°/ 62° 28°/ 17°
0%
Thursday
Sunny
85°/ 65° 29°/ 18°
0%
Friday
Sunny
82°/ 65° 28°/ 18°
30%

Day: Showers with a chance of thunderstorms this morning, then mostly sunny this afternoon. Some thunderstorms may produce heavy rainfall this morning. Highs in the lower 80s. West winds around 5 mph. Chance of rain near 100 percent.

Night: Mostly clear. Humid with lows in the upper 60s. West winds around 5 mph.

Moorestown, NJ

Today
Thunderstorms
82°/ 68° 28°/ 20°
100%
Monday
Sunny
78°/ 52° 26°/ 11°
0%
Tuesday
Sunny
78°/ 55° 26°/ 13°
0%
Wednesday
Sunny
82°/ 62° 28°/ 17°
0%
Thursday
Sunny
85°/ 62° 29°/ 17°
0%
Friday
Partly Cloudy
82°/ 62° 28°/ 17°
0%

Day: Showers with a chance of thunderstorms this morning, then mostly sunny this afternoon. Some thunderstorms may produce heavy rainfall this morning. Highs in the lower 80s. West winds around 5 mph. Chance of rain near 100 percent.

Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 60s. West winds around 5 mph.

Morrisville, PA

Today
Thunderstorms
82°/ 65° 28°/ 18°
90%
Monday
Sunny
75°/ 52° 24°/ 11°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
82°/ 62° 28°/ 17°
0%
Thursday
Sunny
85°/ 65° 29°/ 18°
0%
Friday
Partly Cloudy
82°/ 62° 28°/ 17°
30%

Day: Mostly cloudy with showers with a chance of thunderstorms this morning, then mostly sunny this afternoon. Some thunderstorms may produce heavy rainfall this morning. Highs in the lower 80s. North winds around 5 mph, becoming west around 5 mph this afternoon. Chance of rain 90 percent.

Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 60s. West winds 5 to 10 mph.

Glassboro, NJ

Today
Thunderstorms
82°/ 68° 28°/ 20°
90%
Monday
Sunny
78°/ 55° 26°/ 13°
0%
Tuesday
Sunny
78°/ 58° 26°/ 14°
0%
Wednesday
Sunny
82°/ 62° 28°/ 17°
0%
Thursday
Sunny
82°/ 65° 28°/ 18°
0%
Friday
Sunny
82°/ 65° 28°/ 18°
0%

Day: Mostly cloudy with showers with a chance of thunderstorms this morning, then mostly sunny this afternoon. Some thunderstorms may produce heavy rainfall this morning. Highs in the lower 80s. West winds around 5 mph. Chance of rain 90 percent.

Night: Mostly clear. Humid with lows in the upper 60s. West winds 5 to 10 mph.

Chalfont, PA

Today
Thunderstorms
82°/ 62° 28°/ 17°
90%
Monday
Sunny
72°/ 48° 22°/
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
78°/ 62° 26°/ 17°
0%
Thursday
Sunny
82°/ 62° 28°/ 17°
0%
Friday
Partly Cloudy
82°/ 60° 28°/ 16°
30%

Day: Mostly cloudy with showers with a chance of thunderstorms this morning, then mostly sunny this afternoon. Some thunderstorms may produce heavy rainfall this morning. Highs in the lower 80s. North winds around 5 mph, becoming west around 5 mph this afternoon. Chance of rain 90 percent.

Night: Mostly clear in the evening, then partly cloudy with a slight chance of showers after midnight. Humid with lows in the lower 60s. West winds 5 to 10 mph. Chance of rain 20 percent.

Wilmington, DE

Today
Thunderstorms
85°/ 68° 29°/ 20°
100%
Monday
Sunny
78°/ 55° 26°/ 13°
0%
Tuesday
Sunny
78°/ 58° 26°/ 14°
0%
Wednesday
Sunny
82°/ 62° 28°/ 17°
0%
Thursday
Sunny
82°/ 65° 28°/ 18°
0%
Friday
Sunny
85°/ 65° 29°/ 18°
0%

Day: Showers with a chance of thunderstorms this morning, then mostly sunny this afternoon. Some thunderstorms may produce heavy rainfall this morning. Highs in the mid 80s. West winds around 5 mph. Chance of rain near 100 percent.

Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 60s. West winds 5 to 10 mph.

Pennsville, NJ

Today
Thunderstorms
82°/ 68° 28°/ 20°
100%
Monday
Sunny
78°/ 55° 26°/ 13°
0%
Tuesday
Sunny
78°/ 58° 26°/ 14°
0%
Wednesday
Sunny
82°/ 62° 28°/ 17°
0%
Thursday
Sunny
82°/ 65° 28°/ 18°
0%
Friday
Sunny
82°/ 65° 28°/ 18°
0%

Day: Showers with a chance of thunderstorms this morning, then mostly sunny this afternoon. Some thunderstorms may produce heavy rainfall this morning. Highs in the lower 80s. West winds around 5 mph. Chance of rain near 100 percent.

Night: Mostly clear. Humid with lows in the upper 60s. West winds 5 to 10 mph.

Reading, PA

Today
Thunderstorms
82°/ 62° 28°/ 17°
100%
Monday
Sunny
72°/ 48° 22°/
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
80°/ 62° 27°/ 17°
0%
Thursday
Sunny
82°/ 62° 28°/ 17°
0%
Friday
Partly Cloudy
82°/ 60° 28°/ 16°
40%

Day: Showers with a slight chance of thunderstorms this morning, then mostly sunny this afternoon. Highs in the lower 80s. Northwest winds around 5 mph. Chance of rain near 100 percent.

Night: Mostly clear in the evening, then partly cloudy with a slight chance of showers after midnight. Humid with lows in the lower 60s. West winds 5 to 10 mph. Gusts up to 25 mph after midnight. Chance of rain 20 percent.

Trenton, NJ

Today
Thunderstorms
82°/ 65° 28°/ 18°
90%
Monday
Sunny
75°/ 52° 24°/ 11°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
82°/ 62° 28°/ 17°
0%
Thursday
Sunny
82°/ 62° 28°/ 17°
0%
Friday
Partly Cloudy
82°/ 62° 28°/ 17°
30%

Day: Mostly cloudy with showers with a chance of thunderstorms this morning, then mostly sunny this afternoon. Some thunderstorms may produce heavy rainfall this morning. Highs in the lower 80s. North winds around 5 mph, becoming west around 5 mph this afternoon. Chance of rain 90 percent.

Night: Mostly clear in the evening, then partly cloudy with a slight chance of showers after midnight. Humid with lows in the mid 60s. West winds 5 to 10 mph. Chance of rain 20 percent.

Flemington, NJ

Today
Thunderstorms
82°/ 62° 28°/ 17°
90%
Monday
Sunny
72°/ 50° 22°/ 10°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
78°/ 62° 26°/ 17°
0%
Thursday
Sunny
82°/ 62° 28°/ 17°
0%
Friday
Rain Showers
82°/ 58° 28°/ 14°
40%

Day: Mostly cloudy with showers with a chance of thunderstorms this morning, then mostly sunny this afternoon. Some thunderstorms may produce heavy rainfall this morning. Highs in the lower 80s. North winds around 5 mph, becoming west around 5 mph this afternoon. Chance of rain 90 percent.

Night: Mostly clear in the evening, then partly cloudy with a slight chance of showers after midnight. Humid with lows in the lower 60s. Light and variable winds, becoming northwest 5 to 10 mph with gusts up to 20 mph after midnight. Chance of rain 20 percent.

Allentown, PA

Today
Thunderstorms
82°/ 62° 28°/ 17°
90%
Monday
Sunny
72°/ 48° 22°/
0%
Tuesday
Sunny
72°/ 52° 22°/ 11°
0%
Wednesday
Sunny
78°/ 62° 26°/ 17°
0%
Thursday
Sunny
82°/ 62° 28°/ 17°
0%
Friday
Rain Showers
82°/ 58° 28°/ 14°
40%

Day: Mostly cloudy with showers with a slight chance of thunderstorms this morning, then mostly sunny this afternoon. Highs in the lower 80s. North winds around 5 mph, becoming west around 5 mph this afternoon. Chance of rain 90 percent.

Night: Mostly clear in the evening, then partly cloudy with a slight chance of showers after midnight. Humid with lows in the lower 60s. West winds 5 to 10 mph. Gusts up to 25 mph after midnight. Chance of rain 20 percent.

Wharton State Forest, NJ

Today
Thunderstorms
82°/ 65° 28°/ 18°
100%
Monday
Sunny
78°/ 55° 26°/ 13°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
82°/ 60° 28°/ 16°
0%
Thursday
Sunny
82°/ 62° 28°/ 17°
0%
Friday
Partly Cloudy
82°/ 62° 28°/ 17°
0%

Day: Showers with a chance of thunderstorms this morning, then partly sunny with a slight chance of showers and thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall this morning. Highs in the lower 80s. Southwest winds around 5 mph, becoming west around 5 mph this afternoon. Chance of rain near 100 percent.

Night: Mostly clear. Humid with lows in the mid 60s. Southwest winds around 5 mph.

Bethlehem, PA

Today
Thunderstorms
82°/ 62° 28°/ 17°
90%
Monday
Sunny
72°/ 48° 22°/
0%
Tuesday
Sunny
72°/ 52° 22°/ 11°
0%
Wednesday
Sunny
78°/ 62° 26°/ 17°
0%
Thursday
Sunny
82°/ 62° 28°/ 17°
0%
Friday
Rain Showers
82°/ 58° 28°/ 14°
40%

Day: Mostly cloudy with showers with a slight chance of thunderstorms this morning, then mostly sunny this afternoon. Highs in the lower 80s. Light and variable winds, becoming west around 5 mph this afternoon. Chance of rain 90 percent.

Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 60s. West winds 5 to 10 mph with gusts up to 20 mph.

Lancaster, PA

Today
Thunderstorms
85°/ 65° 29°/ 18°
70%
Monday
Sunny
75°/ 50° 24°/ 10°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
82°/ 62° 28°/ 17°
0%
Thursday
Sunny
85°/ 65° 29°/ 18°
0%
Friday
Partly Cloudy
82°/ 62° 28°/ 17°
30%

Day: Mostly cloudy with showers likely with a slight chance of thunderstorms this morning, then mostly sunny this afternoon. Highs in the mid 80s. Northwest winds 5 to 10 mph. Chance of rain 70 percent.

Night: Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 60s. West winds around 5 mph, becoming northwest 10 to 15 mph after midnight.

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