Snow/Ice From: 23-01-2019 20:00 Until: 24-01-2019 10:00 warning for: Snow/Ice Level: Yellow info button
Another cold night with a risk of ice, either where surfaces remain wet from daytime showers, or where further wintry showers fall onto frozen surfaces during the night and on Thursday morning. Showers will be a mix of rain, sleet and snow, with some slight accumulations possible, mainly above 200 metres. 

WxSim & WU Forecast Comparison

WesterhopeWX uses WXSim to produce a local forecast using the data gathered from the weather station and supplemented by other weather stations and weather buoys at 06:00, 11:00, 15:00, and 21:00. The following tables compare the accuracy of the temperature forecasts produced by Weather Underground and WXSim against the actual high and low temperature recorded by this weather station.

Morning Forecast @ 06:00

Weather Underground (WU), Actual Observed (Act), WxSim Generated (WS)
Updated: 22-01-19 at 05:52
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
22-01-19 4   5 -3   2 3   6 -2   1 4   7 1   5 8   10 5   6
21-01-19 4 3.6 5 1 1.2 2 3   5 -3   0 4   4 -1   1 5   7 2   6
20-01-19 6 5.2 6 -2 -1.2 1 4 3.6 5 1 1.2 2 4   6 -2   2 3   5 -1   2
18-01-19 3 2.4 5 1 1.8 4 4 5.2 8 0 -1.2 1 4 3.6 6 -1 1.2 3 4   5 0   4
15-01-19 9 3.6 12 7 -1.7 7 9 2.4 8 1 1.8 3 4 5.2 5 -1 -1.2 2 3 3.6 4 0 1.2 3
14-01-19 6 5.6 7 5 4.6 4 9 3.6 11 7 -1.7 6 9 2.4 8 1 1.8 4 4 5.2 6 -1 -1.2 3
13-01-19 11 10.7 11 3 4.2 6 6 5.6 8 5 4.6 5 9 3.6 10 7 -1.7 6 8 2.4 8 1 1.8 3
12-01-19 10 8.6 9 9 8.6 9 11 10.7 11 3 4.2 4 5 5.6 7 3 4.6 2 9 3.6 10 6 -1.7 7
10-01-19 8 7.2 9 4 7.2 5 7 8.6 9 6 8.6 5 9 10.7 11 8 4.2 9 10 5.6 10 3 4.6 5
09-01-19 5 4.1 5 2 0.7 3 8 7.2 9 3 7.2 5 7 8.6 9 6 8.6 5 9 10.7 10 7 4.2 9
07-01-19 11 6.6 11 4 2.8 6 7 4.1 7 2 0.7 3 4 7.2 6 1 7.2 2 8 8.6 7 4 8.6 2
05-01-19 6 8.8 5 3 7.7 1 8 6.6 7 4 2.8 4 10 4.1 11 5 0.7 5 7 7.2 7 2 7.2 1
04-01-19 6 6.1 6 1 2.8 0 6 8.8 6 3 7.7 2 8 6.6 8 0 2.8 5 9 4.1 7 6 0.7 4
03-01-19 3 3.1 4 0 2.6 -2 5 6.1 5 1 2.8 -1 6 8.8 6 2 7.7 0 7 6.6 6 1 2.8 3
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 9 9 4 8 6 8 5 6 6 3 1 6 6 5 4
% Succ 76.9   69.2 69.2   30.8 66.7   50.0 66.7   41.7 54.5   54.5 27.3   9.1 60.0   60.0 50.0   40.0
Ave Error 1.4   2.1 2.1   3.0 2.1   2.4 2.4   2.6 2.8   2.6 3.5   4.1 2.5   2.4 3.1   3.7
Net Error 1.0   1.5 -0.3   0.4 1.0   1.8 -0.2   0.0 0.8   1.9 -0.4   0.6 1.6   1.7 0.1   1.2
Std Dev 1.6   2.2 2.3   2.3 1.9   2.0 2.2   1.9 1.8   2.0 2.3   1.6 1.7   2.0 2.0   2.2

Afternoon Forecast @ 11:00

Weather Underground (WU), Actual Observed (Act), WxSim Generated (WS)
Updated: 23-01-19 at 10:52
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
23-01-19 2   3 -2   0 4   6 -1   1 9   11 5   10 6   11 1   2
20-01-19 6 2.8 7 -3 -3.4 1 4   6 1   3 3   6 -3   2 3   5 -1   2
19-01-19 3 2.4 6 0 1.8 3 6 2.8 7 -2 -3.4 1 5   5 1   3 3   5 -2   3
18-01-19 2 1.9 5 1 1.3 3 4 2.4 8 -1 1.8 2 4 2.8 6 -2 -3.4 2 4   4 0   3
17-01-19 3 3.6 5 -1 -1.7 2 3 1.9 5 1 1.3 3 4 2.4 8 0 1.8 2 4 2.8 6 -2 -3.4 2
16-01-19 7 8.3 7 0 -0.3 3 4 3.6 6 -1 -1.7 2 3 1.9 4 1 1.3 2 4 2.4 6 0 1.8 4
15-01-19 9 10.5 11 7 8.1 8 8 8.3 10 0 -0.3 3 4 3.6 5 -1 -1.7 2 3 1.9 4 0 1.3 4
13-01-19 11 5.6 11 3 4.6 5 6 10.5 7 5 8.1 4 9 8.3 8 7 -0.3 6 8 3.6 7 1 -1.7 3
12-01-19 10 8.6 10 9 8.6 9 11 5.6 11 3 4.6 5 5 10.5 7 4 8.1 5 9 8.3 9 7 -0.3 6
11-01-19 8 7.2 9 6 7.2 3 9 8.6 8 9 8.6 7 11 5.6 11 4 4.6 4 6 10.5 7 2 8.1 3
10-01-19 8 6.6 9 4 4.2 4 7 7.2 9 6 7.2 5 9 8.6 12 8 8.6 11 10 5.6 12 2 4.6 3
08-01-19 6 4.1 7 2 0.7 2 5 6.6 5 2 4.2 2 8 7.2 7 4 7.2 3 8 8.6 7 6 8.6 4
07-01-19 12 11.8 11 4 5 4 7 4.1 6 2 0.7 3 5 6.6 5 1 4.2 2 8 7.2 7 4 7.2 2
06-01-19 9 8.8 10 7 7.7 6 11 11.8 11 4 5 5 7 4.1 7 2 0.7 1 4 6.6 5 2 4.2 4
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 7 13 9 8 6 9 5 8 4 7 4 6 4 3 2
% Succ 84.6   53.8 100.0   69.2 66.7   50.0 75.0   41.7 72.7   36.4 63.6   36.4 60.0   40.0 30.0   20.0
Ave Error 1.4   2.3 0.8   1.8 1.9   2.7 1.4   2.2 2.0   2.7 2.2   2.6 2.2   2.6 3.1   3.8
Net Error 0.9   2.0 -0.4   0.7 0.6   1.6 -0.7   0.5 0.7   1.7 -0.3   0.8 0.7   1.3 -0.8   0.5
Std Dev 1.4   1.4 0.5   1.5 1.6   1.5 0.9   1.3 1.7   1.5 1.9   1.8 1.2   0.8 1.9   1.2

Evening Forecast @ 15:00

Weather Underground (WU), Actual Observed (Act), WxSim Generated (WS)
Updated: 20-01-19 at 14:52
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
20-01-19 5   5 -2   0 4   6 1   2 3   6 -3   1 3   5 -1   2
18-01-19 2 2.4 3 1 1.8 2 4   8 -1   2 5   6 -2   2 4   4 0   3
17-01-19 4 3.6 3 -1 -1.7 1 3 2.4 5 1 1.8 3 4   8 1   2 4   6 -2   2
16-01-19 6 8.3 6 0 -0.3 3 4 3.6 6 -1 -1.7 3 3 2.4 5 1 1.8 2 4   6 0   4
14-01-19 6 10.5 6 4 8.1 3 9 8.3 10 8 -0.3 6 9 3.6 8 1 -1.7 2 4 2.4 5 -1 1.8 3
13-01-19 11 10.7 9 3 4.2 3 6 10.5 7 5 8.1 4 9 8.3 8 7 -0.3 5 8 3.6 7 1 -1.7 3
11-01-19 7 8.6 7 6 8.6 4 9 10.7 10 9 4.2 9 11 10.5 11 4 8.1 5 6 8.3 8 3 -0.3 6
07-01-19 12 6.6 9 4 4.2 4 7 8.6 7 2 8.6 4 5 10.7 6 1 4.2 2 8 10.5 7 4 8.1 3
03-01-19 4 8.8 3 1 7.7 -1 6 6.6 5 1 4.2 -1 6 8.6 6 3 8.6 1 7 10.7 8 2 4.2 3
01-01-19 7 4.3 6 1 -1.5 0 4 8.8 4 -2 7.7 -1 4 6.6 4 0 4.2 -1 5 8.6 5 1 8.6 0
31-12-18 n/a -100 11 4 100 5 7 4.3 7 1 -1.5 0 4 8.8 4 -2 7.7 -1 4 6.6 5 1 4.2 1
29-12-18 4 -100 4 12 100 8 4 -100 0 11 100 11 7 4.3 3 9 -1.5 13 7 8.8 5 9 7.7 10
28-12-18 3 100 4 10 -100 8 3 -100 0 12 100 11 3 -100 3 11 100 13 6 4.3 5 9 -1.5 10
27-12-18 4 100 4 n/a -100 8 4 100 0 10 -100 11 3 -100 3 12 100 13 7 -100 5 11 100 10
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 4 5 5 4 6 4 2 2 3 3 1 1 3 3 1 2
% Succ 30.8   38.5 38.5   30.8 50.0   33.3 16.7   16.7 27.3   27.3 9.1   9.1 30.0   30.0 10.0   20.0
Ave Error 26.6   32.9 26.1   33.1 26.7   26.8 27.2   27.5 21.1   20.9 20.5   20.4 13.1   12.7 12.7   13.4
Net Error -7.8   0.9 -7.2   1.3 8.5   8.1 -6.2   -5.9 18.2   17.9 -16.7   -16.1 9.8   9.6 -9.1   -8.2
Std Dev 30.6   42.6 34.1   40.3 31.0   29.9 26.7   26.7 15.6   15.5 13.6   13.7 7.9   7.8 7.0   7.2

Night Forecast @ 21:00

Weather Underground (WU), Actual Observed (Act), WxSim Generated (WS)
Updated: 23-01-19 at 20:52
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
23-01-19 -2   -3 4   4 -1   1 9   11 7   7 8   9 2   5 4   7
21-01-19 1 -3.8 3 3 2.4 5 -3   1 3   5 -2   1 5   8 1   6 9   10
20-01-19 -3 -2.4 1 4 3.6 6 1 -3.8 3 3 2.4 6 -2   1 4   5 -1   2 5   8
19-01-19 1 1.5 3 6 5.2 6 -2 -2.4 2 4 3.6 6 1 -3.8 3 4 2.4 6 -2   3 4   7
18-01-19 1 1.2 1 3 2.4 8 -1 1.5 1 4 5.2 7 -2 -2.4 1 4 3.6 6 1 -3.8 3 3 2.4 5
17-01-19 -2 -2.1 -1 3 1.9 5 1 1.2 3 4 2.4 7 1 1.5 3 5 5.2 7 -2 -2.4 2 4 3.6 5
15-01-19 7 -0.9 8 8 3.6 9 0 -2.1 3 4 1.9 5 -2 1.2 1 3 2.4 4 1 1.5 2 3 5.2 8
12-01-19 9 6.6 10 11 10.5 11 3 -0.9 6 6 3.6 8 5 -2.1 5 9 1.9 10 7 1.2 7 8 2.4 8
10-01-19 4 7 5 7 9.9 9 7 6.6 4 9 10.5 9 9 -0.9 8 10 3.6 11 3 -2.1 4 6 1.9 8
08-01-19 3 0.7 2 5 6.6 6 2 7 2 8 9.9 9 3 6.6 4 8 10.5 9 6 -0.9 5 9 3.6 9
06-01-19 8 3.5 6 11 6.6 10 4 0.7 5 7 6.6 7 2 7 3 4 9.9 5 1 6.6 2 8 10.5 8
04-01-19 1 3.9 0 5 8.8 5 3 3.5 0 8 6.6 6 3 0.7 4 9 6.6 9 6 7 3 7 9.9 6
02-01-19 -3 2.6 -1 3 6.1 4 0 3.9 -1 5 8.8 6 1 3.5 0 6 6.6 6 2 0.7 1 7 6.6 9
01-01-19 1 2.9 1 4 4.3 5 -2 2.6 -1 4 6.1 4 0 3.9 0 6 8.8 6 1 3.5 1 5 6.6 6
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 5 6 8 5 4 2 8 5 2 2 5 4 4 2 4 2
% Succ 38.5   46.2 61.5   38.5 33.3   16.7 66.7   41.7 18.2   18.2 45.5   36.4 40.0   20.0 40.0   20.0
Ave Error 2.8   3.1 1.9   2.5 2.6   4.1 1.6   2.4 3.9   4.1 2.8   3.4 3.4   4.1 2.6   3.3
Net Error 0.6   1.3 0.1   1.3 -0.2   0.8 -0.1   1.0 0.5   1.5 0.6   1.6 1.5   1.9 0.7   1.9
Std Dev 2.2   2.3 1.5   1.6 1.7   1.8 0.7   1.3 2.6   2.4 2.3   2.2 2.0   1.7 1.7   1.5