WXSIM: Chelmer Village
Updated: Wednesday, 29.01.2020 06:00
 
Today

Fog a.m.
Fog a.m.
Tonight

Mostly Cloudy
Mostly Cloudy
Thursday

Cloudy
Cloudy
Thursday
night
Mostly Cloudy
Mostly Cloudy
Friday

Cloudy
Cloudy
Friday
night
Rain likely
Rain likely
Saturday

Partly Cloudy
Partly Cloudy
Saturday
night
Chance rain
Chance rain
Sunday

Chance rain
Chance rain
Sunday
night
Cloudy
Cloudy
<2 mm. <2 mm. <2 mm. 5 mm. <2 mm. <5 mm. <5 mm. <2 mm.
High: 9° Low: 5° High: 13° Low: 6° High: 12° Low: 8° High: 9° Low: 4° High: 14° Low: 9°






























 

WU Forecast: Chelmsford

Today
Mostly Sunny
Mostly Sunny
Tonight
Mostly Cloudy
Mostly Cloudy
Tomorrow
AM Showers
AM Showers
Tomorrow night
Cloudy
Cloudy
Friday
PM Showers
PM Showers
Friday night
Showers
Showers
Saturday
AM Showers, Wind
AM Showers, Wind
Saturday night
Light Rain Late
Light Rain Late
Sunday
Showers
Showers
9°C6°C12°C8°C12°C9°C10°C6°C12°C

WXSIM Forecast Accuracy

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

Morning

Updated: 01-28-20 at 6:00 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
01-28-20 8   7 3   0 10   7 7   4 12   11 9   8 13   13 9   7
01-27-20 9 9 8 3 2 2 7   7 3   0 10   7 5   3 11   9 7   8
01-26-20 10 10 10 7 6 6 9 9 9 3 2 2 8   7 3   0 10   7 5   3
01-25-20 9 6 6 7 4 1 10 10 7 6 6 3 9 9 10 3 2 0 8   10 3   5
01-24-20 8 7 6 3 5 1 10 6 7 6 4 3 10 10 10 6 6 0 10 9 10 4 2 5
01-23-20 8 8 6 4 6 1 8 7 7 2 5 3 10 6 10 7 4 0 11 10 10 6 6 5
01-22-20 9 4 10 4 4 3 8 8 8 4 6 4 8 7 10 3 5 0 10 6 9 6 4 5
01-21-20 5 7 6 1 4 0 9 4 10 5 4 5 8 8 9 3 6 1 7 7 8 3 5 1
01-20-20 7 6 8 -3 -3 -1 5 7 7 1 4 0 8 4 9 5 4 2 8 8 9 3 6 0
01-19-20 8 7 7 -3 -1 -1 7 6 7 -2 -3 0 5 7 8 1 4 -1 8 4 9 4 4 3
01-18-20 8 7 7 0 -1 0 8 7 7 -1 -1 -1 7 6 7 1 -3 0 6 7 8 2 4 -1
01-17-20 9 10 9 1 1 1 8 7 7 0 -1 0 8 7 7 -1 -1 -1 7 6 8 0 -3 0
01-16-20 13 11 10 9 7 8 10 10 9 1 1 1 7 7 6 1 -1 0 7 7 7 -1 -1 -1
01-15-20 10 9 8 7 4 5 12 11 12 8 7 8 9 10 9 2 1 1 8 7 7 0 -1 -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 11 12 10 9 10 10 10 9 9 8 7 5 8 8 8 5
% Succ 84.6   92.3 76.9   69.2 83.3   83.3 83.3   75.0 81.8   72.7 63.6   45.5 80.0   80.0 80.0   50.0
Ave Error 1.4   1.2 1.5   1.7 1.3   1.1 1.3   1.5 1.3   1.6 1.8   3.0 1.3   1.4 1.5   2.4
Net Error 0.9   0.0 0.2   -0.9 1.0   0.4 -0.1   -0.5 0.7   1.3 0.4   -2.3 1.1   1.4 0.1   -1.0
Std Dev 1.4   1.6 1.1   1.7 1.6   1.8 1.1   1.3 1.5   1.7 1.5   2.2 1.6   1.6 1.3   2.1

Afternoon

Updated: 01-28-20 at 6:00 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
01-28-20 3   1 10   8 7   6 13   12 9   8 13   13 10   9 11   10
01-27-20 3 2 1 7 7 6 3   0 10   8 6   4 12   11 9   7 13   13
01-26-20 7 6 6 9 9 8 3 2 1 7 7 7 3   0 9   7 5   3 11   11
01-25-20 6 4 4 10 10 10 6 6 5 9 9 8 3 2 2 8 7 7 3   0 10   7
01-24-20 4 5 6 10 6 1 7 4 7 10 10 3 6 6 10 9 9 0 4 2 10 8 7 5
01-23-20 5 7 6 8 6 1 3 5 7 10 6 3 6 4 10 10 10 0 6 6 10 9 9 5
01-22-20 5 8 6 8 4 1 4 7 7 9 6 3 3 5 10 10 6 0 7 4 10 11 10 5
01-21-20 1 4 -1 9 4 9 4 8 3 8 4 10 3 7 3 7 6 9 3 5 0 10 6 10
01-20-20 -2 -3 -1 5 7 7 1 4 0 9 4 10 6 8 4 9 4 9 3 7 1 7 6 8
01-19-20 -2 -1 -1 7 6 7 -2 -3 -1 6 7 7 0 4 0 8 4 8 5 8 4 8 4 9
01-18-20 0 -1 -1 8 7 7 -2 -1 -1 7 6 7 -1 -3 0 6 7 7 0 4 0 8 4 8
01-17-20 2 1 1 8 7 7 0 -1 0 8 7 7 -1 -1 -1 7 6 7 0 -3 0 7 7 8
01-16-20 9 7 8 10 10 11 1 1 1 8 7 7 1 -1 0 8 7 7 -1 -1 -1 6 6 7
01-15-20 7 4 5 13 11 11 9 7 8 11 10 9 2 1 2 8 7 6 0 -1 0 7 7 8
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 12 10 9 8 9 8 7 9 4 8 5 5 2 7 5
% Succ 76.9   92.3 76.9   69.2 66.7   75.0 66.7   58.3 81.8   36.4 72.7   45.5 50.0   20.0 70.0   50.0
Ave Error 1.7   1.1 1.7   1.7 1.8   1.7 1.8   2.3 1.8   2.9 1.7   3.5 2.2   4.1 1.5   2.9
Net Error 0.2   -0.3 1.4   -0.6 -0.4   -0.2 1.6   -0.2 -0.4   0.7 1.5   -1.2 -0.4   0.3 1.5   0.7
Std Dev 0.9   1.4 1.7   2.0 1.3   1.6 1.8   2.6 1.5   2.2 1.8   3.6 1.7   3.0 1.6   2.2