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Grabb Lake, PA 7-Day Night Weather Forecast
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Grabb Lake, PA Weather Forecast
Grabb Lake, PA Weather Forecast Date: 1030 PM EDT Wed Aug 05 2026
The area/counties/county of: Lancaster, including the city of Lancaster.or toggle through each period.
Overnight... Mostly cloudy with a chance of showers. A chance of thunderstorms late this evening, then a slight chance of thunderstorms. Warm with lows around 70. South winds around 5 mph. Chance of rain 40%.
Thursday... Partly sunny. A chance of showers and thunderstorms in the afternoon. Very warm. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of rain 50%. Heat index values around 100 in the afternoon.
Thursday Night... A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Warm with lows around 70. Southwest winds 5 to 10 mph. Chance of rain 50%.
Friday... Mostly sunny with a chance of showers in the morning, then mostly cloudy with showers with a chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 80%. Heat index values around 100.
Friday Night... Mostly cloudy with showers with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Humid with lows in the upper 60s. Southwest winds around 5 mph. Chance of rain 80%.
Saturday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Chance of rain 50%.
Saturday Night... Mostly cloudy in the evening, then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Humid with lows in the upper 60s. Chance of rain 50%.
Sunday... Sunny with highs in the upper 80s.
Sunday Night... Mostly clear. Humid with lows in the upper 60s.
Monday... Mostly sunny. Humid. Very warm with highs in the upper 80s.
Monday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Humid, warm with lows around 70. Chance of rain 40%.
Tuesday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Chance of rain 50%.
Tuesday Night... A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Humid with lows in the upper 60s. Chance of rain 50%.
POP = Probability of Precipitation
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