| NWS Forecast for: Merrimack County Issued by: National Weather Service Gray/Portland, ME Last Update: 500 PM EDT Fri Jul 31 2026 |  |
| Tonight: Mostly clear. Isolated showers and thunderstorms in the evening. Patchy fog after midnight. Lows in the upper 50s. Light and variable winds. Chance of rain 20 percent. Saturday: Patchy fog in the morning. Partly sunny. Highs in the mid 80s. Light and variable winds. Saturday Night: Mostly cloudy. Lows in the lower 60s. Light and variable winds. Sunday: Mostly cloudy. Humid with highs in the mid 80s. Light and variable winds, becoming south around 10 mph in the afternoon. Sunday Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 60s. Chance of rain 50 percent. Monday: Showers. A chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 80 percent. Monday Night: Showers likely with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers after midnight. Lows around 60. Chance of rain 70 percent. Tuesday: Partly sunny with a 30 percent chance of showers. Highs in the lower 80s. Tuesday Night: Partly cloudy. Lows in the upper 50s. Wednesday: Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 40 percent. Wednesday Night: Partly cloudy with a 40 percent chance of showers. Lows in the lower 60s. Thursday: Partly sunny with a chance of showers. Warm with highs in the mid 80s. Chance of rain 50 percent. | |
| Zone Forecast: Merrimack County | |
Visit your local NWS office at: https://www.weather.gov/gyx/ |