Grassy Island, Pennsylvania Weather
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Weather Forecast for Grassy Island, Pennsylvania : Lackawanna County
Issued: 6:30 am EDT Jun 21, 2025 Latitude: 41.471192 Longitude: -75.5821315 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Sunday Monday Tuesday Wednesday Thursday Friday
20% chance of thunderstorms on Today Cloudy on Tonight Mostly Sunny on Sunday Sunny on Monday Sunny on Tuesday 40% chance of thunderstorms on Wednesday 60% chance of thunderstorms on Thursday 60% chance of on Friday
High: 88°F Low: 70°F High: 95°F High: 98°F High: 97°F High: 92°F High: 87°F High: 85°F
Low: 73°F Low: 73°F Low: 72°F Low: 70°F Low: 69°F  
Thunderstorms Cloudy Mostly Sunny Sunny Sunny Thunderstorms Thunderstorms Partly Sunny
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Current Conditions at
SCRANTON - (KAVP)
73°
Mostly Cloudy
as of 8:54 AM EDST
Rel. Humidity: 69%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 10000ft
Current Conditions at
POCONO MNTS MUNICIPAL AP - (KMPO)
73°
Clear
as of 8:53 AM EDST
Rel. Humidity: 60%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: VFR
Wind Data
9 MPH
300° Northwest
Cloud Level(s): Clear
Current Conditions at
MONTGOMERY - (KMGJ)
73°
Clear
as of 8:54 AM EDST
Rel. Humidity: 69%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
5 MPH
220° Southwest
Cloud Level(s): Clear
20% chance of thunderstorms Today Today... Isolated showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 70. Southwest wind 3 to 6 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny and hot, with a high near 95. Heat index values as high as 102. West wind 6 to 9 mph.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 73. West wind around 5 mph becoming calm in the evening.
Sunny on Monday Monday... Sunny and hot, with a high near 98. Calm wind becoming west around 6 mph in the afternoon.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 73.
Sunny on Tuesday Tuesday... Sunny and hot, with a high near 97.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 72.
40% chance of thunderstorms Wednesday Wednesday... A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 40%.
30% chance of thunderstorms Wednesday Night Wednesday Night... A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 30%.
60% chance of thunderstorms Thursday Thursday... Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
60% chance of thunderstorms Thursday Night Thursday Night... Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
60% chance of Friday Friday... Showers likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Current Radar Image


Sun Almanac for Grassy Island, Pennsylvania
Sunrise: 05:29 AM
Sunset: 8:40 PM
Civil Sunrise:04:55 AM
Civil Sunset: 9:14 PM
Nautical Sunrise: 04:11 AM
Nautical Sunset: 9:57 PM
Astro Sunrise: 03:19 AM
Astro Sunset: 10:50 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.