WXSIM: Chelmer Village
Updated: Wednesday, 22.09.2021 12:00
 
This
afternoon
Partly Cloudy
Partly Cloudy
Tonight

Partly Cloudy
Partly Cloudy
Thursday

Partly Cloudy
Partly Cloudy
Thursday
night
Mostly Clear
Mostly Clear
Friday

Sunny
Sunny
Friday
night
Partly Cloudy
Partly Cloudy
Saturday

Mostly Cloudy
Mostly Cloudy
Saturday
night
Mostly Cloudy
Mostly Cloudy
Sunday

Partly Cloudy
Partly Cloudy
Sunday
night
Partly Cloudy
Partly Cloudy
<2 mm. <2 mm.
High: 23° Low: 12° High: 22° Low: 11° High: 24° Low: 15° High: 22° Low: 14° High: 24° Low: 15°






























 

WU Forecast: Chelmsford

Today
Sunny
Sunny
Tonight
Mostly Clear
Mostly Clear
Tomorrow
Partly Cloudy
Partly Cloudy
Tomorrow night
Clear
Clear
Friday
Sunny
Sunny
Friday night
Partly Cloudy
Partly Cloudy
Saturday
Mostly Cloudy
Mostly Cloudy
Saturday night
Showers Late
Showers Late
Sunday
AM Showers
AM Showers
22°C11°C23°C10°C23°C13°C23°C14°C23°C

WXSIM Forecast Accuracy

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

Morning Forecast

Updated: 09-22-21 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
09-22-21 23   24 12   13 22   23 10   12 23   24 13   15 22   23 14   14
09-21-21 21 21 22 9 8.1 12 22   24 12   12 22   23 13   14 22   25 13   14
09-20-21 20 19.6 18 9 10.3 11 21 21 20 11 8.1 12 22   23 12   12 21   20 11   7
09-19-21 12 22.8 16 19 12.8 23 12 19.6 15 20 10.3 21 10 21 11 21 8.1 22 11   12 21   24
09-18-21 23 14.2 20 13 24.8 15 20 22.8 20 13 12.8 14 20 19.6 20 11 10.3 11 20 21 22 10 8.1 12
09-17-21 21 22.8 23 14 12.4 16 23 14.2 22 14 24.8 15 18 22.8 18 12 12.8 12 19 19.6 20 12 10.3 10
09-16-21 22 24.1 21 12 11.6 13 21 22.8 23 14 12.4 16 22 14.2 22 14 24.8 14 20 22.8 20 13 12.8 13
09-15-21 21 20.6 21 11 9.1 13 22 24.1 23 12 11.6 14 20 22.8 23 14 12.4 16 20 14.2 18 12 24.8 11
09-14-21 19 18.3 17 14 14.3 14 19 20.6 20 12 9.1 13 22 24.1 23 12 11.6 12 22 22.8 23 14 12.4 16
09-13-21 20 20.4 18 15 14 12 19 18.3 16 14 14.3 14 20 20.6 17 13 9.1 11 22 24.1 23 13 11.6 13
09-12-21 21 22.1 25 14 11.4 14 19 20.4 20 14 14 12 19 18.3 16 12 14.3 12 22 20.6 20 14 9.1 11
09-11-21 22 24.3 25 13 11.5 15 21 22.1 22 13 11.4 12 20 20.4 15 14 14 12 21 18.3 19 12 14.3 11
09-10-21 21 23.1 24 16 16.1 15 22 24.3 23 13 11.5 13 21 22.1 21 13 11.4 12 22 20.4 19 15 14 14
09-09-21 23 25.4 25 17 15 17 22 23.1 24 15 16.1 14 22 24.3 23 13 11.5 13 22 22.1 23 14 11.4 13
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 7 8 10 6 7 8 8 5 5 5 7 7 6 8 6 6
% Succ 53.8   61.5 76.9   46.2 58.3   66.7 66.7   41.7 45.5   45.5 63.6   63.6 60.0   80.0 60.0   60.0
Ave Error 2.6   2.1 2.4   3.5 2.6   1.9 2.8   3.5 3.1   3.5 3.3   3.5 1.9   1.3 3.0   3.0
Net Error -1.0   -0.3 0.4   1.4 -1.0   -0.4 0.7   1.1 -1.5   -1.9 0.8   0.6 0.4   0.1 0.0   -0.5
Std Dev 3.3   2.0 3.2   3.1 2.8   2.3 3.6   3.5 3.5   3.4 4.3   4.5 1.8   1.3 3.8   4.1