| NWS Forecast for: Sullivan County Issued by: National Weather Service Gray/Portland, ME Last Update: 147 PM EDT Thu Jun 18 2026 |  |
This Afternoon: Showers with a chance of thunderstorms. Some thunderstorms may be severe with damaging winds and tornadoes. Highs in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent. Tonight: Mostly clear with a chance of showers with isolated thunderstorms in the evening, then partly cloudy after midnight. Some thunderstorms may be severe with damaging winds and tornadoes. Lows in the mid 50s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent. Juneteenth: Partly sunny. Highs in the lower 70s. West winds 10 to 15 mph with gusts up to 30 mph. Friday Night: Mostly clear. Lows in the mid 50s. West winds 10 to 15 mph with gusts up to 30 mph. Saturday: Partly sunny with a chance of showers. Highs around 70. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent. Saturday Night: Partly cloudy. A chance of showers in the evening. Lows in the lower 50s. Chance of rain 50 percent. Sunday: Partly sunny with a chance of showers. Highs in the lower 70s. Chance of rain 50 percent. Sunday Night: Partly cloudy. A chance of showers in the evening. Lows in the lower 50s. Chance of rain 50 percent. Monday: Partly sunny with a chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 70s. Chance of rain 70 percent. Monday Night: Showers likely. Lows in the mid 50s. Chance of rain 70 percent. Tuesday: Partly sunny. A chance of showers in the morning. Highs in the mid 70s. Chance of rain 50 percent. Tuesday Night: Partly cloudy. Lows in the mid 50s. Wednesday: Mostly sunny. Highs in the upper 70s. | |
| Zone Forecast: Sullivan County | |
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