WXSIM: Chelmer Village
Updated: Monday, 10.08.2020 18:00
 
Tonight

Partly Cloudy
Partly Cloudy
Tuesday

Thunder storm
Thunder storm
Tuesday
night
Partly Cloudy
Partly Cloudy
Wednesday

Thunder storm
Thunder storm
Wednesday
night
Thunder storm
Thunder storm
Thursday

Thunder storm
Thunder storm
Thursday
night
Thunder storm
Thunder storm
Friday

Rain likely
Rain likely
Friday
night
Mostly Cloudy
Mostly Cloudy
<2 mm. <2 mm. <2 mm. <2 mm. 2 mm. 2 mm. <2 mm. 15 mm. <2 mm.
Low: 21° High: 33° Low: 20° High: 33° Low: 20° High: 31° Low: 18° High: 27° Low: 18°



























 

WU Forecast: Chelmsford

Tonight
Partly Cloudy
Partly Cloudy
Tomorrow
Partly Cloudy
Partly Cloudy
Tomorrow night
Partly Cloudy
Partly Cloudy
Wednesday
Partly Cloudy
Partly Cloudy
Wednesday night
Scattered Thunderstorms
Scattered Thunderstorms
Thursday
Scattered Thunderstorms
Scattered Thunderstorms
Thursday night
Scattered Thunderstorms
Scattered Thunderstorms
Friday
Thunderstorms
Thunderstorms
Friday night
Showers
Showers
18°C32°C18°C33°C19°C30°C18°C25°C15°C

WXSIM Forecast Accuracy

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

Afternoon

Updated: 08-09-20 at 9:26 pm
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° C Low High Low High Low High Low High
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
08-09-20 34   20 20   32 34   20 20   33 34   20 21   35 29   21 17   34
08-08-20 34 17.1 17 20 32.8 31 34   20 21   33 33   20 20   31 33   20 20   33
08-07-20 36 20 21 19 34.6 35 33 17.1 19 20 32.8 32 32   18 19   34 31   20 19   30
08-06-20 36 14.4 18 20 36.6 35 35 20 21 18 34.6 33 31 17.1 20 19 32.8 31 31   22 19   33
08-05-20 30 18.3 17 16 30.7 31 36 14.4 16 20 36.6 34 33 20 20 18 34.6 33 31 17.1 20 17 32.8 31
08-04-20 26 14.9 15 17 29.2 30 29 18.3 17 16 30.7 33 34 14.4 17 19 36.6 36 30 20 19 15 34.6 30
08-03-20 24 9.6 11 15 26.6 25 25 14.9 14 16 29.2 30 30 18.3 15 17 30.7 33 34 14.4 18 19 36.6 34
08-02-20 23 13.3 12 11 25 25 24 9.6 11 14 26.6 26 26 14.9 13 16 29.2 30 30 18.3 14 16 30.7 33
08-01-20 23 13.3 12 13 28.6 26 22 13.3 12 11 25 25 23 9.6 12 15 26.6 24 24 14.9 14 16 29.2 30
07-31-20 26 15.9 20 12 28.6 28 24 13.3 12 13 28.6 25 23 13.3 12 12 25 25 23 9.6 12 16 26.6 23
07-30-20 33 14.9 17 17 36 35 26 15.9 17 13 28.6 28 24 13.3 13 14 28.6 26 21 13.3 15 12 25 21
07-29-20 29 13 15 17 31.1 29 33 14.9 16 17 36 34 25 15.9 17 13 28.6 28 23 13.3 13 14 28.6 26
07-28-20 24 9.7 11 13 26 26 29 13 12 18 31.1 27 33 14.9 15 17 36 34 24 15.9 18 14 28.6 27
07-27-20 21 12.9 12 11 22.8 21 24 9.7 10 13 26 26 28 13 14 17 31.1 27 33 14.9 15 18 36 30
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 0 10 0 11 0 12 0 8 0 7 0 7 0 5 0 3
% Succ     76.9     84.6     100.0     66.7     63.6     63.6     50.0     30.0
Ave Error 13.7   1.6 14.4   1.1 13.8   1.2 14.7   1.6 13.2   1.5 14.8   1.7 12.1   1.9 15.2   3.0
Net Error 13.7   0.8 -14.4   -0.9 13.8   0.2 -14.7   -1.1 13.2   0.3 -14.8   -1.2 12.1   0.6 -15.2   -2.4
Std Dev 5.2   1.2 4.5   0.9 6.7   0.6 6.3   1.2 7.3   1.3 7.9   1.2 8.1   1.6 9.9   2.1