| NWS Forecast for: Merrimack County Issued by: National Weather Service Gray/Portland, ME Last Update: 801 AM EDT Fri Jul 31 2026 | |
| Today: Partly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 80s. Light and variable winds. Chance of rain 20 percent. Tonight: Mostly clear. Patchy fog after midnight. Lows in the upper 50s. Light and variable winds. Saturday: Patchy fog in the morning. Partly sunny. Warm with highs in the mid 80s. Light and variable winds. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog. Lows in the lower 60s. Light and variable winds. Sunday: Mostly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. Humid with highs in the lower 80s. Light and variable winds, becoming south around 10 mph in the afternoon. Sunday Night: Showers likely after midnight. Lows in the lower 60s. Chance of rain 70 percent. Monday: Showers likely. A chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 70 percent. Monday Night: Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of rain 50 percent. Tuesday: Mostly sunny. Highs in the lower 80s. Tuesday Night: Mostly clear. Lows in the upper 50s. Wednesday: Partly sunny. Warm with highs in the mid 80s. Wednesday Night: Partly cloudy. Lows in the lower 60s. Thursday: Partly sunny. A chance of showers in the afternoon. Warm with highs in the mid 80s. Chance of rain 40 percent. | |
| Zone Forecast: Merrimack County | |
Visit your local NWS office at: https://www.weather.gov/gyx/ |