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Brunswick Nas Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 | |  |  | |  |  | | | |  | |
| Patchy Fog | Patchy Fog | Clearing | Mostly Sunny | Partly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Sunny | Mostly Clear | Mostly Sunny |
| Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C |
| POP: 40% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 500 PM EDT Wed Aug 19 2026 
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Brunswick Nas Forecast Discussion
Issued: 707 PM EDT Wed Aug 19 2026
Key Messages
1. Mostly dry weather with seasonable temperatures continues into Thursday, although some uncertainty remains if southern NH and SW Maine will see more in the way of light showers later in the day on Thursday. Fog could also be locally dense across portions of western ME through tonight.
2. The weather trends cooler through the weekend with the potential for a system to bring rain, late in the week. Temperatures trends back warmer for the first part of ne...