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Guilderland Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY |
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| Rain | Rain | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Mostly Cloudy |
| Hi: 60°FHi: 16°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C |
| POP: 100% | POP: 60% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 830 AM EDT Sun Sep 20 2026 
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Issued: 632 AM EDT Sun Sep 20 2026
Key Messages
1) Widespread light to moderate rain expected area-wide today, with no flood concerns expected.
2) A coastal storm will track near the East Coast late next week, but confidence remains low on whether we will see impacts from this system at this time.
Discussion
... KEY MESSAGE 1...As of 2:30 AM EDT...Clear skies and calm winds across the N/NE third of our region allowed for temperatures to drop into the low 40s with patchy fog earlier tonight, but advancing mid-level cloud shield seen o...