NWS Forecast
Wed, 20-May-2026 8:37
Tonight

Tonight: Mostly Cloudy
Mostly Cloudy
Thursday

Thursday: Partly Sunny
Partly Sunny
Thursday
Night
Thursday Night: Mostly Clear
Mostly Clear
Friday

Friday: Mostly Sunny
Mostly Sunny
Friday
Night
Friday Night: Mostly Cloudy then Slight Chance Rain Showers
Mostly Cloudy then Slight Chance Rain Showers
Saturday

Saturday: Rain Showers Likely
Rain Showers Likely
Saturday
Night
Saturday Night: Rain Showers
Rain Showers
Sunday

Sunday: Rain Showers Likely
Rain Showers Likely
Sunday
Night
Sunday Night: Rain Showers Likely
Rain Showers Likely
Lo 46 °FHi 66 °FLo 38 °FHi 68 °FLo 45 °FHi 59 °FLo 44 °FHi 64 °FLo 50 °F
 
OUR Forecast
12:53
This
afternoon
Mostly Cloudy
Mostly Cloudy
Tonight

Mostly Cloudy
Mostly Cloudy
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Partly Cloudy
Partly Cloudy
Friday

Partly Cloudy
Partly Cloudy
Friday
night
Mostly Cloudy
Mostly Cloudy
Saturday

Chance rain
Chance rain
Saturday
night
Rain likely
Rain likely
Sunday

Chance rain
Chance rain
High: 68°Low: 44°High: 68°Low: 42°High: 70°Low: 45°High: 68°Low: 45°High: 56°


NWS & Our Forecast Comparison for Hessville, NY

National Weather Service Forecast (NW), Actual Observed (Act), Our Forecast (WS)

7am Morning Forecast - Comparison - Our Forecast based on GFS 06Z

High Temp is captured between 9am - 9pm. Low Temp is captured between 9pm - 9am
Updated: 05-20-26 at 6:53 am
Goal Current 24 Hour Forecast Period +1 +2 +3
± 3.6° F High Low High Low High Low High Low
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
05-20-26 74   74 44   50 65   69 37   46 66   72 45   51 59   63 44   47
05-19-26 87 85.2 87 65 68.3 67 71   74 45   49 63   68 42   45 66   70 44   48
05-18-26 88 88.6 92 66 55.8 58 87 85.2 90 66 68.3 65 72   72 43   47 62   65 42   42
05-17-26 79 81.9 80 54 60.3 57 84 88.6 84 66 55.8 62 88 85.2 87 65 68.3 63 77   71 43   47
05-16-26 77 77.7 78 56 45.8 59 77 81.9 80 51 60.3 58 83 88.6 83 64 55.8 60 87 85.2 82 64 68.3 67
05-15-26 61 61.3 58 44 45.2 45 76 77.7 75 56 45.8 55 77 81.9 73 51 60.3 50 83 88.6 81 63 55.8 56
05-14-26 57 53.8 59 45 42.3 43 62 61.3 57 45 45.2 41 75 77.7 73 56 45.8 53 76 81.9 76 50 60.3 49
05-13-26 62 62.0 63 46 42.3 48 59 53.8 51 45 42.3 39 64 61.3 57 45 45.2 41 76 77.7 73 53 45.8 53
05-12-26 58 58.7 58 41 33.8 40 61 62.0 54 46 42.3 47 60 53.8 54 45 42.3 39 64 61.3 59 46 45.2 42
05-11-26 56 57.0 57 32 34.2 34 57 58.7 59 40 33.8 41 59 62.0 51 46 42.3 47 60 53.8 54 45 42.3 44
05-10-26 62 60.5 61 34 46.8 39 57 57.0 58 32 34.2 36 58 58.7 59 39 33.8 42 59 62.0 56 45 42.3 48
05-09-26 57 53.0 52 47 34.3 48 62 60.5 61 36 46.8 40 56 57.0 55 35 34.2 35 57 58.7 56 38 33.8 40
05-08-26 52 51.9 52 37 37.3 35 55 53.0 54 43 34.3 48 61 60.5 63 40 46.8 47 56 57.0 57 36 34.2 40
05-07-26 54 53.8 56 36 37.9 38 55 51.9 52 39 37.3 39 59 53.0 58 44 34.3 44 64 60.5 58 40 46.8 37
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ 12 12 6 8 9 8 5 5 7 5 4 3 7 6 4 4
% Succ 92.3   92.3 46.2   61.5 75.0   66.7 41.7   41.7 63.6   45.5 36.4   27.3 70.0   60.0 40.0   40.0
Ave Error 1.3   1.6 5.7   4.4 2.4   2.7 5.7   5.4 3.3   4.2 5.5   5.3 3.3   3.5 4.8   5.2
Net Error 0.4   0.6 1.4   2.1 0.0   -1.4 1.6   2.1 0.0   -2.4 1.9   1.1 -0.5   -3.5 0.5   0.1
Std Dev 1.2   1.5 4.1   4.4 1.6   2.1 3.5   2.1 1.5   3.1 2.8   2.0 1.6   1.9 2.5   3.1

1pm Mid Day Forecast - Comparison - Our Forecast based on GFS 12Z

High Temp is captured between 9am - 9pm. Low Temp is captured between 9pm - 9am
Updated: 05-20-26 at 12:53 pm
Goal Current 24 Hour Forecast Period +1 +2 +3
± 3.6° F High Low High Low High Low High Low
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
05-20-26 74   68 44   44 65   68 37   42 66   70 45   45 59   68 44   45
05-19-26 87 85.2 81 65 69.2 63 71   77 45   58 63   69 42   49 66   70 44   51
05-18-26 88 88.6 89 66 68.3 59 87 85.2 87 66 69.2 64 72   72 43   47 62   65 42   45
05-17-26 79 81.9 79 54 55.8 55 84 88.6 84 66 68.3 60 88 85.2 87 65 69.2 62 77   70 43   46
05-16-26 77 77.7 76 56 60.3 55 77 81.9 75 51 55.8 51 83 88.6 81 64 68.3 58 87 85.2 85 64 69.2 63
05-15-26 61 61.3 62 44 45.8 45 76 77.7 74 56 60.3 51 77 81.9 69 51 55.8 44 83 88.6 81 63 68.3 51
05-14-26 57 53.8 57 45 45.2 41 62 61.3 56 45 45.8 40 75 77.7 72 56 60.3 52 76 81.9 76 50 55.8 52
05-13-26 62 62.0 58 46 42.3 47 59 53.8 55 45 45.2 44 64 61.3 56 45 45.8 41 76 77.7 72 53 60.3 53
05-12-26 58 58.7 59 41 42.3 43 61 62.0 61 46 42.3 50 60 53.8 58 45 45.2 45 64 61.3 56 46 45.8 45
05-11-26 56 57.0 56 32 33.8 34 57 58.7 60 40 42.3 40 59 62.0 55 46 42.3 50 60 53.8 57 45 45.2 44
05-10-26 62 60.5 59 34 34.2 35 57 57.0 57 32 33.8 33 58 58.7 59 39 42.3 39 59 62.0 48 45 42.3 44
05-09-26 57 53.0 53 47 46.8 47 62 60.5 63 36 34.2 36 56 57.0 54 35 33.8 34 57 58.7 58 38 42.3 36
05-08-26 52 51.9 52 37 34.3 38 55 53.0 55 43 46.8 48 61 60.5 59 40 34.2 45 56 57.0 58 36 33.8 37
05-07-26 54 53.8 51 36 37.3 36 55 51.9 51 39 34.3 38 59 53.0 52 44 46.8 48 64 60.5 60 40 34.2 41
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ 12 11 10 7 9 8 7 5 7 5 5 4 7 5 4 4
% Succ 92.3   84.6 76.9   53.8 75.0   66.7 58.3   41.7 63.6   45.5 45.5   36.4 70.0   50.0 40.0   40.0
Ave Error 1.3   1.8 2.0   2.9 2.4   2.6 2.8   4.3 3.3   4.6 3.2   6.0 3.3   4.4 3.9   5.5
Net Error 0.4   -1.0 -1.0   -1.4 0.0   -1.1 -1.1   -1.9 0.0   -3.4 -1.3   -2.4 -0.5   -3.6 -1.7   -3.1
Std Dev 1.2   1.4 1.4   2.7 1.6   1.9 1.3   2.7 1.5   3.2 1.4   3.1 1.6   1.8 2.1   4.3

7pm Evening Forecast - Comparison - Our Forecast based on GFS 18Z

Low Temp is captured between 9pm - 9am. High Temp is captured between 9am - 9pm
Updated: 05-20-26 at 12:53 pm
Goal Current 24 Hour Forecast Period +1 +2 +3
± 3.6° F High Low High Low High Low High Low
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
05-20-26 46   68 66   44 38   68 68   42 45   70 59   45 44   68 64   45
05-19-26 63 76.3 81 69 69.2 63 44   77 64   58 41   69 67   49 45   70 60   51
05-18-26 69 85.2 63 85 68.3 89 67 76.3 68 69 69.2 77 42   50 62   66 42   45 65   68
05-17-26 55 55.8 58 88 88.6 84 65 85.2 59 86 68.3 85 65 76.3 65 73 69.2 72 43   45 63   61
05-16-26 56 60.3 56 78 81.9 77 52 55.8 54 84 88.6 83 64 85.2 57 85 68.3 85 65 76.3 61 81 69.2 77
05-15-26 42 45.8 44 76 77.7 73 57 60.3 52 76 81.9 77 48 55.8 47 86 88.6 85 63 85.2 52 86 68.3 85
05-14-26 43 45.2 55 61 61.3 45 44 45.8 60 77 77.7 43 54 60.3 72 77 81.9 53 52 55.8 76 85 88.6 48
05-13-26 45 53.8 43 57 42.3 46 45 45.2 35 64 61.3 55 45 45.8 37 76 77.7 69 54 60.3 51 73 81.9 70
05-12-26 41 42.3 42 62 62.0 58 46 53.8 45 59 42.3 49 45 45.2 35 64 61.3 55 47 45.8 41 76 77.7 69
05-11-26 33 33.8 31 58 58.7 58 41 42.3 39 60 62.0 51 46 53.8 46 60 42.3 53 47 45.2 41 60 61.3 56
05-10-26 34 34.2 33 56 57.0 56 32 33.8 33 57 58.7 59 40 42.3 39 59 62.0 48 45 53.8 45 60 42.3 58
05-09-26 46 46.8 48 61 60.5 61 36 34.2 36 55 57.0 56 34 33.8 34 56 58.7 58 38 42.3 39 58 62.0 52
05-08-26 38 34.3 34 58 53.0 53 46 46.8 47 60 60.5 62 39 34.2 41 57 57.0 54 36 33.8 35 56 58.7 57
05-07-26 36 37.3 35 53 51.9 51 37 34.3 37 59 53.0 49 44 46.8 45 62 60.5 58 39 34.2 40 57 57.0 56
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ 7 8 9 5 8 6 7 3 5 3 7 5 3 2 5 2
% Succ 53.8   61.5 69.2   38.5 66.7   50.0 58.3   25.0 45.5   27.3 63.6   45.5 30.0   20.0 50.0   20.0
Ave Error 4.4   4.9 3.6   5.2 4.6   7.2 5.1   8.4 6.0   9.0 5.2   8.9 6.7   10.6 6.9   11.9
Net Error -3.9   -2.2 2.3   -1.4 -3.8   -4.1 2.1   -2.9 -5.0   -5.6 2.5   -3.4 -4.7   -5.2 2.5   -3.9
Std Dev 4.9   5.9 5.3   5.9 5.3   6.7 5.6   8.7 5.6   6.2 5.4   7.1 5.7   8.4 4.6   9.6

Script credited to Jim at jcweather.us.
Dual Image forecast icons credited to Ken at Saratoga-Weather.org.