| NWS Forecast for: Knox County Issued by: National Weather Service Gray/Portland, ME Last Update: 246 AM EDT Sat Aug 8 2026 | |
| Rest Of Tonight: Cloudy with scattered showers with isolated thunderstorms. Patchy fog. Lows around 70. Light and variable winds. Chance of rain 30 percent. Saturday: Patchy fog in the morning. Cloudy with numerous showers and scattered thunderstorms in the morning, then partly sunny with scattered showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Humid with highs around 80. Light and variable winds. Chance of rain 70 percent. Saturday Night: 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. Warm with highs in the mid 80s. Light and variable winds, becoming south around 10 mph in the afternoon. 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. 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 | |
Visit your local NWS office at: https://www.weather.gov/gyx/ |