WXSIM: Chelmer Village
Updated: Sunday, 23.01.2022 18:00
 
Tonight

Partly Cloudy
Partly Cloudy
Monday

Sunny
Sunny
Monday
night
Clear
Clear
Tuesday

Sunny
Sunny
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Sunny
Sunny
Wednesday
night
Mostly Cloudy
Mostly Cloudy
Thursday

Mostly Cloudy
Mostly Cloudy
Thursday
night
Clear
Clear
<2 mm.
Low: -1° High: 8° Low: -1° High: 8° Low: -2° High: 8° Low: 1° High: 10° Low: 0°



























 

WU Forecast: Chelmsford

Tonight
Cloudy
Cloudy
Tomorrow
Mostly Cloudy
Mostly Cloudy
Tomorrow night
Mostly Cloudy
Mostly Cloudy
Tuesday
Cloudy
Cloudy
Tuesday night
Mostly Cloudy
Mostly Cloudy
Wednesday
Mostly Cloudy
Mostly Cloudy
Wednesday night
Mostly Cloudy
Mostly Cloudy
Thursday
Mostly Cloudy
Mostly Cloudy
Thursday night
Partly Cloudy
Partly Cloudy
2°C5°C1°C4°C0°C7°C3°C10°C2°C

WXSIM Forecast Accuracy

Actual Observed (Act), WxSim Generated (WS) , Weather Underground (WU)

Morning Forecast

Updated: 01-23-22 at 9:10 am
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° C High Low High Low High Low High Low
Date WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS
01-23-22 6   9 2   -1 6   8 0   -1 6   8 1   0 8   9 4   1
01-22-22 6 7.8 8 2 4.5 -1 6   9 2   -1 6   8 0   0 7   9 0   2
01-21-22 7 4.8 7 1 -0.9 -1 7 7.8 8 1 4.5 -1 7   8 1   -1 7   8 1   0
01-20-22 6 4.8 5 -3 -1.8 -2 7 4.8 7 1 -0.9 0 7 7.8 8 2 4.5 0 8   9 1   0
01-19-22 10 9 9 1 0.4 -1 5 4.8 5 -3 -1.8 -2 7 4.8 7 1 -0.9 0 7 7.8 8 1 4.5 -1
01-18-22 8 5.1 8 4 3.1 0 10 9 10 1 0.4 0 5 4.8 4 -3 -1.8 -2 7 4.8 7 1 -0.9 0
01-17-22 -1 8.4 0 9 -2.8 8 -1 5.1 -3 8 3.1 8 3 9 0 10 0.4 8 1 4.8 1 5 -1.8 3
01-16-22 8 0.6 10 0 9 0 9 8.4 9 -1 -2.8 1 8 5.1 9 3 3.1 2 10 9 11 1 0.4 -1
01-15-22 8 5.4 8 4 1 3 9 0.6 9 1 9 0 9 8.4 9 0 -2.8 0 9 5.1 9 3 3.1 2
01-14-22 7 7.1 7 -1 -0.3 1 8 5.4 8 3 1 2 10 0.6 9 2 9 2 9 8.4 9 2 -2.8 1
01-13-22 7 9.4 9 -2 -1.2 1 6 7.1 9 0 -0.3 2 7 5.4 9 3 1 1 10 0.6 9 3 9 4
01-12-22 7 7.7 7 -1 -0.9 2 6 9.4 9 -1 -1.2 2 4 7.1 9 1 -0.3 2 7 5.4 8 3 1 2
01-11-22 10 9.9 10 0 -0.2 1 6 7.7 8 1 -0.9 1 6 9.4 9 0 -1.2 1 6 7.1 9 1 -0.3 1
01-10-22 9 6.6 8 7 6.4 7 10 9.9 9 1 -0.2 1 8 7.7 8 0 -0.9 1 6 9.4 8 1 -1.2 1
Results WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS WU Act WS
# Succ 6 8 9 7 7 8 9 6 5 6 7 5 5 5 5 5
% Succ 46.2   61.5 69.2   53.8 58.3   66.7 75.0   50.0 45.5   54.5 63.6   45.5 50.0   50.0 50.0   50.0
Ave Error 2.6   2.2 2.6   3.1 2.4   2.2 2.3   2.9 2.8   2.8 2.8   2.8 2.8   2.7 2.9   2.7
Net Error 0.4   0.7 0.4   0.1 0.2   0.7 0.2   0.3 0.4   1.0 0.8   0.4 1.0   1.7 1.0   0.1
Std Dev 2.7   3.1 3.5   3.3 2.5   2.9 2.3   2.7 2.9   3.2 3.0   2.8 2.1   2.1 2.6   2.2