Grant Lake, NY Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Grant Lake Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Showers Likely | Showers | Chance of Showers | Showers Likely | Chance of T-Storm | Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Clearing | Mostly Clear | Mostly Clear |
| Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C Lo: 50°FLo: 10°C | Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C Lo: 45°FLo: 7°C |
| POP: 70% | POP: 80% | POP: 50% | POP: 70% | POP: 90% | POP: 90% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 830 PM EDT Mon Aug 31 2026 

Grant Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Grant Lake Weather Map
Grant Lake Quick Facts
Grant Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 714 PM EDT Mon Aug 31 2026
Key Messages
1) Low pressure system and approaching warm front bring showers and non-severe thunderstorms late tonight into Tuesday morning with locally heavy rainfall.
2) A few strong to severe thunderstorms possible south and west of the Capital Region Tuesday afternoon into the evening with an isolated flash flood threat for the region.
3) Additional rounds of showers and thunderstorms Wednesday into Thursday with some strong thunderstorms and isolated to scattered instances of heavy rainfall/fl...
Weather World