Weather WorldOntelaunee Lake, PA Weather Forecast
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Ontelaunee Lake Weather Forecast
| OVERNIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  |  |  |  |  |  | | | | |
| Patchy Fog | Chance of T-Storm | Chance of T-Storm | Clearing | Chance of Showers | Chance of Showers | Partly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Partly Cloudy | Chance of Showers |
| Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C |
| POP: 20% | POP: 50% | POP: 40% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 956 PM EDT Mon Aug 10 2026 
Ontelaunee Lake Radar Loop
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