National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Griffiss International Airport (KRME)

Lat: 43.23°NLon: 75.4°WElev: 505ft.

Fair

40°F

4°C

Humidity 97%
Wind Speed SE 3 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 39°F (4°C)
Visibility 8.00 mi
Last update 16 May 5:53 am EDT
Extended Forecast for

Saint Johnsville NY

  • Today

    Today: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A chance of showers before 2am. Mostly cloudy, with a low around 57. West wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 78. West wind 7 to 13 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. West wind around 5 mph becoming calm in the evening.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 85. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 20%.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 80. Chance of precipitation is 80%.

    High: 80 °F

    Showers

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Tonight
A chance of showers before 2am. Mostly cloudy, with a low around 57. West wind around 6 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 78. West wind 7 to 13 mph.
Sunday Night
Partly cloudy, with a low around 51. West wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers between 2pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 85. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 20%.
Monday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
Tuesday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Tuesday Night
A chance of thunderstorms before 8pm, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 80. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm. Low around 46. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Johnsville NY
 43°N 74.7°W (Elev. 390 ft)
Last Update:
2:37 am EDT May 16, 2026
Forecast Valid:
6am EDT May 16, 2026-6pm EDT May 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation