| NWS Forecast for: Knox County Issued by: National Weather Service Gray/Portland, ME Last Update: 507 AM EDT Sat Aug 8 2026 |  |
| Today: Cloudy early, then becoming partly sunny. Patchy fog early. Isolated showers and thunderstorms early. Numerous showers and scattered thunderstorms this morning, then scattered showers and thunderstorms this afternoon. Some thunderstorms may produce heavy rainfall this afternoon. Humid with highs around 80. Light and variable winds. Chance of rain 70 percent. Tonight: Partly cloudy. Scattered showers and thunderstorms in the evening. Some thunderstorms may produce heavy rainfall in the evening. Humid with lows in the mid 60s. Light and variable winds. Chance of rain 50 percent. Sunday: Partly sunny. Isolated showers and thunderstorms in the afternoon. Warm with highs in the mid 80s. Light and variable winds, becoming south around 10 mph in the afternoon. Chance of rain 20 percent. Heat index values in the lower 90s in the afternoon. Sunday Night: Partly cloudy in the evening, then clearing. Lows in the mid 60s. Light and variable winds. Monday: Mostly sunny. Warm with highs in the mid 80s. Light and variable winds, becoming southwest around 10 mph with gusts up to 20 mph in the afternoon. Monday Night: Partly cloudy. Lows in the mid 60s. Tuesday: Partly sunny. Warm with highs in the mid 80s. Tuesday Night: Partly cloudy. Lows in the lower 60s. Wednesday: Mostly sunny. Highs in the lower 80s. Wednesday Night: Partly cloudy. Lows in the lower 60s. Thursday: Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 40 percent. Thursday Night: Partly cloudy. A chance of showers in the evening. Lows in the upper 50s. Chance of rain 40 percent. Friday: Mostly sunny. Highs around 80. | |
| Zone Forecast: Knox County | |
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