Saint Johnsville, NY Weather Forecast

Local 7-day forecast

56°
F

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Saint Johnsville, NY in one place.

Thursday, October 15, 2026
Wind: 5 mph E
This Afternoon

Mostly sunny, with a high near 56. East wind around 5 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Saint Johnsville, NY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Oct 15, 2026 5:32 PM EDT.

The active forecast window currently covers Oct 15 to Oct 21, 2026 for Saint Johnsville, NY.

Page Snapshot

Page focus
city weather
Forecast window
Oct 15 to Oct 21, 2026
Latest sync
Oct 15, 2026 5:32 PM EDT
Forecast office
ALY
Source
NOAA / NWS
Next High
56°F
This Afternoon
Next Low
44°F
Tonight
Rain Outlook
4
Periods mentioning precipitation
Windiest
14 to 20 mph
Friday

Daily Outlook

Today
Oct 15
Mostly Sunny
56 °F
/ 44°F
Wind 5 mph
Fri
Oct 16
Showers And Thunderstorms
66 °F
/ 32°F
Wind 14 to 20 mph
Sat
Oct 17
Partly Sunny
41 °F
/ 27°F
Wind 16 mph
Sun
Oct 18
Sunny
53 °F
/ 32°F
Wind 2 to 7 mph
Mon
Oct 19
Sunny
60 °F
/ 35°F
Wind 6 mph
Tue
Oct 20
Mostly Sunny
60 °F
/ 37°F
Wind 2 to 6 mph
Wed
Oct 21
Sunny
59 °F
/ 34°F
Wind 1 to 5 mph

This Week in Saint Johnsville

Friday looks like the warmest upcoming period in Saint Johnsville at 66 degrees F.

Saturday Night is the coolest period ahead with temperatures near 27 degrees F.

The strongest winds are forecast for Friday at about 14 to 20 mph SW.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated
Oct 15, 2026 5:32 PM EDT
Coverage
7 days
Time zone
America/New_York
Forecast office
ALY
Radar station
KENX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Tonight
Oct 15
44°F
Mostly Cloudy then Showers And Thunderstorms
5 to 17 mph SE

Rain showers between midnight and 5am, then showers and thunderstorms. Mostly cloudy, with a low around 44. Southeast wind 5 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

Friday
Oct 16
66°F
Showers And Thunderstorms
14 to 20 mph SW

Showers and thunderstorms. Mostly cloudy, with a high near 66. Southwest wind 14 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Friday Night
Oct 16
32°F
Chance Rain Showers
16 mph NW

A chance of rain showers before 3am. Mostly cloudy, with a low around 32. Northwest wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

Saturday
Oct 17
41°F
Partly Sunny
16 mph NW

Partly sunny, with a high near 41. Northwest wind around 16 mph, with gusts as high as 30 mph. New rainfall amounts less than a tenth of an inch possible.

Saturday Night
Oct 17
27°F
Mostly Clear
2 to 12 mph W

Mostly clear, with a low around 27.

Sunday
Oct 18
53°F
Sunny
2 to 7 mph SW

Sunny, with a high near 53.

Sunday Night
Oct 18
32°F
Mostly Clear
6 mph S

Mostly clear, with a low around 32.

Monday
Oct 19
60°F
Sunny
6 mph SW

Sunny, with a high near 60.

Monday Night
Oct 19
35°F
Mostly Clear
3 mph SW

Mostly clear, with a low around 35.

Tuesday
Oct 20
60°F
Mostly Sunny
2 to 6 mph W

Mostly sunny, with a high near 60.

Tuesday Night
Oct 20
37°F
Partly Cloudy
3 mph NW

Partly cloudy, with a low around 37.

Wednesday
Oct 21
59°F
Sunny
1 to 5 mph NW

Sunny, with a high near 59.

Wednesday Night
Oct 21
34°F
Mostly Clear
3 mph E

Mostly clear, with a low around 34.

Detailed Forecast

Period Conditions Temp Wind
This Afternoon
Oct 15
Mostly Sunny
56°F
5 mph
E
Tonight
Oct 15
Mostly Cloudy then Showers And Thunderstorms
44°F
5 to 17 mph
SE
Friday
Oct 16
Showers And Thunderstorms
66°F
14 to 20 mph
SW
Friday Night
Oct 16
Chance Rain Showers
32°F
16 mph
NW
Saturday
Oct 17
Partly Sunny
41°F
16 mph
NW
Saturday Night
Oct 17
Mostly Clear
27°F
2 to 12 mph
W
Sunday
Oct 18
Sunny
53°F
2 to 7 mph
SW
Sunday Night
Oct 18
Mostly Clear
32°F
6 mph
S
Monday
Oct 19
Sunny
60°F
6 mph
SW
Monday Night
Oct 19
Mostly Clear
35°F
3 mph
SW
Tuesday
Oct 20
Mostly Sunny
60°F
2 to 6 mph
W
Tuesday Night
Oct 20
Partly Cloudy
37°F
3 mph
NW
Wednesday
Oct 21
Sunny
59°F
1 to 5 mph
NW
Wednesday Night
Oct 21
Mostly Clear
34°F
3 mph
E
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.