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Union Lake Weather Forecast
Union Lake, PA Weather Forecast Date: 935 PM EDT Sun Aug 16 2026
Weather forecast for Union Lake, PA
Tonight Lo: 61°F Lo: 16°C |
Tonight... Mostly cloudy with a slight chance of thunderstorms. A chance of showers late this evening, then showers likely after midnight. Patchy fog late this evening. Areas of fog after midnight. Lows in the lower 60s. South winds 5 to 10 mph. Chance of rain 60%. |
Mon Hi: 80°FHi: 27°C Lo: 59°F Lo: 15°C |
Monday... Areas of fog in the morning. Mostly cloudy with a slight chance of showers in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Humid with highs around 80. South winds around 5 mph, becoming northwest around 5 mph in the afternoon. Chance of rain 50%. |
Tue Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Tuesday... Partly sunny. Patchy fog. Highs in the upper 70s. Northwest winds around 5 mph. |
| Wed Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Wednesday... Partly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 50%. |
Thu Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Thursday... Partly sunny with a chance of showers. Highs in the mid 70s. Chance of rain 30%. |
Fri Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Friday... Partly sunny. Highs in the upper 70s. |
| Sat Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Saturday... Partly sunny. Highs in the upper 70s. |
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