WXSIM: Chelmer Village
Updated: Saturday, 19.06.2021 18:00
 
Tonight

Chance rain
Chance rain
Sunday

Chance rain
Chance rain
Sunday
night
Cloudy
Cloudy
Monday

Overcast
Overcast
Monday
night
Chance rain
Chance rain
Tuesday

Chance rain
Chance rain
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Partly Cloudy
Partly Cloudy
Wednesday
night
Partly Cloudy
Partly Cloudy
<5 mm. 2 mm. <2 mm. <2 mm. <5 mm. 2 mm. <2 mm.
Low: 12° High: 18° Low: 12° High: 17° Low: 11° High: 17° Low: 7° High: 21° Low: 8°



























 

WU Forecast: Chelmsford

Today
Showers
Showers
Tonight
Showers
Showers
Tomorrow
Light Rain
Light Rain
Tomorrow night
Showers
Showers
Tuesday
AM Showers
AM Showers
Tuesday night
Partly Cloudy
Partly Cloudy
Wednesday
Partly Cloudy
Partly Cloudy
Wednesday night
Partly Cloudy
Partly Cloudy
Thursday
Showers
Showers
19°C11°C15°C10°C17°C7°C19°C10°C20°C

WXSIM Forecast Accuracy

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

Morning Forecast

Updated: 06-19-21 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
06-19-21 18   18 13   13 20   20 12   12 16   15 11   12 15   16 9   9
06-18-21 16 15.4 17 12 11.3 11 19   19 13   12 20   18 13   11 17   15 11   11
06-17-21 22 21.1 24 15 14.3 13 16 15.4 17 12 11.3 12 20   18 14   13 20   23 13   13
06-16-21 30 30 29 17 17.7 17 21 21.1 21 14 14.3 12 16 15.4 18 12 11.3 10 19   19 13   13
06-15-21 26 23.9 23 15 12 11 30 30 27 17 17.7 16 21 21.1 22 15 14.3 12 18 15.4 16 12 11.3 11
06-14-21 29 29.3 26 15 14.5 12 26 23.9 22 14 12 11 29 30 25 17 17.7 16 23 21.1 22 14 14.3 13
06-13-21 28 28.1 24 15 13.7 12 28 29.3 26 14 14.5 12 25 23.9 22 14 12 11 29 30 26 17 17.7 15
06-12-21 25 24.6 25 14 11.3 11 29 28.1 25 14 13.7 12 28 29.3 27 14 14.5 13 25 23.9 22 14 12 11
06-11-21 25 26.2 26 13 14.7 12 25 24.6 24 13 11.3 10 29 28.1 24 15 13.7 11 29 29.3 25 16 14.5 14
06-10-21 25 26.3 25 15 15.1 14 26 26.2 26 12 14.7 11 25 24.6 24 14 11.3 10 28 28.1 24 15 13.7 12
06-09-21 26 27.6 25 14 15.5 13 25 26.3 24 14 15.1 14 26 26.2 26 14 14.7 12 26 24.6 24 15 11.3 12
06-08-21 24 26.3 22 11 11.8 11 26 27.6 25 14 15.5 13 25 26.3 23 14 15.1 13 26 26.2 25 15 14.7 15
06-07-21 23 25.1 23 11 10.4 11 24 26.3 20 12 11.8 11 26 27.6 22 14 15.5 11 25 26.3 21 15 15.1 13
06-06-21 22 22.9 22 12 12.4 10 24 25.1 22 11 10.4 13 24 26.3 21 12 11.8 11 25 27.6 23 14 15.5 11
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 10 7 11 9 10 5 11 7 10 4 10 6 8 5 9 7
% Succ 76.9   53.8 84.6   69.2 83.3   41.7 91.7   58.3 90.9   36.4 90.9   54.5 80.0   50.0 90.0   70.0
Ave Error 1.1   2.0 1.1   1.4 1.0   2.3 1.0   1.8 1.0   2.9 1.1   2.0 1.3   2.8 1.2   1.5
Net Error -0.4   -1.2 0.3   -1.3 -0.3   -2.1 -0.1   -1.3 -0.4   -2.3 0.3   -2.0 0.1   -2.5 0.7   -1.3
Std Dev 0.8   1.4 0.9   0.9 0.7   1.5 0.8   1.1 0.7   2.1 0.9   1.2 1.0   2.1 0.9   1.2