Lonesome Lake, NH Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Lonesome Lake Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Patchy Fog | Mostly Cloudy | Patchy Fog | Patchy Fog | Clearing | Patchy Fog | Mostly Clear | Partly Sunny | Chance of Showers | Showers Likely | Showers | Chance of Showers |
| Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C |
| POP: 50% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 500 PM EDT Tue Aug 18 2026 

Lonesome Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Lonesome Lake Weather Map
Lonesome Lake Quick Facts
Lonesome Lake Forecast Discussion
Issued: 719 PM EDT Tue Aug 18 2026
Key Messages
1. Some instability may lead to an isolated shower across the interior this afternoon. The next few nights will be foggy and Wednesday should stay mostly dry.
2. A weak boundary may bring a few showers Thursday, but otherwise mostly dry conditions are forecast through at least the first part of Saturday with seasonable temperatures.
3. The next chance for rain on a widespread basis arrives for the second half of the weekend.
Discussion
... KEY MESSAGE 1 DESC...
Weather World