Weather Alert
Grabb Lake Weather Warning NWS WEATHER ALERT FOR THE GRABB LAKE, PA AREA - Issued: 421 AM EDT Sun Aug 2 2026 Grabb Lake Weather Warning

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Grabb Lake, PA Weather - Hour by Hour Forecast

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Grabb Lake, PA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Overcast. Temperature is 75°F24°C, dew point 70°F21°C, humidity 84%. Wind direction is ESE at 8 mph13 km/h with visibility of 10.00 mi16 km. Barometric pressure is 29.88 in1012 mb.
Today - Mostly cloudy. Showers likely with a chance of thunderstorms this afternoon. Highs in the lower 80s. Southeast winds 10 to 15 mph .. Full Forecast
Tonight - Showers with a chance of thunderstorms. Humid with lows in the upper 60s. Southeast winds 5 to 10 mph. Chance of rain near 100 per.. Full Forecast

Grabb Lake Hourly Weather

24 Hour Forecast Scroll
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Grabb Lake, PA Hourly Weather - Cloudy - 8:00 AM Grabb Lake, PA Hourly Weather - Cloudy - 9:00 AM Grabb Lake, PA Hourly Weather - Cloudy - 10:00 AM Grabb Lake, PA Hourly Weather - Cloudy - 11:00 AM Grabb Lake, PA Hourly Weather - Cloudy - 12:00 PM Grabb Lake, PA Hourly Weather - Cloudy - 1:00 PM Grabb Lake, PA Hourly Weather - Cloudy - 2:00 PM Grabb Lake, PA Hourly Weather - Cloudy - 3:00 PM Grabb Lake, PA Hourly Weather - Cloudy - 4:00 PM Grabb Lake, PA Hourly Weather - Cloudy - 5:00 PM Grabb Lake, PA Hourly Weather - Cloudy - 6:00 PM Grabb Lake, PA Hourly Weather - Cloudy - 7:00 PM Grabb Lake, PA Hourly Weather - Cloudy - 8:00 PM Grabb Lake, PA Hourly Weather - Cloudy - 9:00 PM Grabb Lake, PA Hourly Weather - Cloudy - 10:00 PM Grabb Lake, PA Hourly Weather - Cloudy - 11:00 PM Grabb Lake, PA Hourly Weather - Cloudy - 12:00 AM Grabb Lake, PA Hourly Weather - Cloudy - 1:00 AM Grabb Lake, PA Hourly Weather - Cloudy - 2:00 AM Grabb Lake, PA Hourly Weather - Cloudy - 3:00 AM Grabb Lake, PA Hourly Weather - Cloudy - 4:00 AM Grabb Lake, PA Hourly Weather - Cloudy - 5:00 AM Grabb Lake, PA Hourly Weather - Cloudy - 6:00 AM Grabb Lake, PA Hourly Weather - Cloudy - 7:00 AM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
75°F24°C 77°F25°C 78°F26°C 80°F27°C 80°F27°C 81°F27°C 81°F27°C 80°F27°C 79°F26°C 78°F26°C 77°F25°C 75°F24°C 74°F23°C 74°F23°C 74°F23°C 74°F23°C 74°F23°C 74°F23°C 74°F23°C 74°F23°C 74°F23°C 74°F23°C 74°F23°C 74°F23°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain
30% 30% 30% 30% 30% 30% 30% 49% 49% 49% 49% 49% 49% 77% 77% 77% 77% 77% 77% 78% 78% 78% 78% 78%
70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 70°F21°C 71°F22°C 71°F22°C 71°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C 72°F22°C
84% 79% 77% 72% 72% 69% 69% 72% 77% 79% 82% 90% 93% 93% 93% 93% 93% 93% 93% 93% 93% 93% 93% 93%
SE SE SSE SSE SSE SSE SSE SSE SE SE SE SE SE SE SSE SSE SSE SSE SSE S S S SSE SW
5 mph 5 mph 10 mph 10 mph 10 mph 7 mph 7 mph 7 mph 7 mph 7 mph 7 mph 8 mph 8 mph 8 mph 6 mph 6 mph 6 mph 7 mph 7 mph 7 mph 6 mph 6 mph 6 mph 5 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km 6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 6 mi10 km 5 mi8 km
Hour (EDT)
Weather
Clouds
Temperature
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POP
Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KLNS model statistics.

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Prob Precip % = Probability of Precipitation.

Grabb Lake 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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