Chelmsford Weather Station

WXSIM: Chelmer Village

Updated: Monday, 18.01.2021 18:00

Tonight Rain likely Tuesday Overcast Tuesday night Rain likely Wednesday Rain likely Wednesday night Rain likely Thursday Mostly Cloudy Thursday night Mostly Cloudy Friday Mostly Sunny Friday night Mostly Cloudy 15 mm. <2 mm. 7 mm. <5 mm. 5 mm. <2 mm. <2 mm. Low: 5° High: 11° Low: 9° High: 11° Low: 4° High: 9° Low: 0° High: 7° Low: 1°

 

WU Forecast: Chelmsford

Tonight Light Rain Late	Tomorrow Cloudy, Wind	Tomorrow night Light Rain, Wind	Wednesday Showers, Wind	Wednesday night Rain, Wind	Thursday PM Showers	Thursday night Showers Early	Friday Partly Cloudy	Friday night Rain, Snow Showers Late
8°C	12°C	9°C	10°C	3°C	8°C	1°C	6°C	1°C

WXSIM Forecast Accuracy

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

Morning Forecast

Updated: 01-18-21 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 01-18-21 8   8 7   5 12   11 10   10 11   10 4   4 8   9 2   4 01-17-21 7 7.2 7 3 1.4 1 9   7 7   5 12   12 10   9 11   11 4   4 01-16-21 10 6.5 9 3 4.3 2 8 7.2 7 2 1.4 1 8   7 7   5 11   11 10   9 01-15-21 4 4.4 5 0 -0.7 0 8 6.5 7 3 4.3 0 7 7.2 7 1 1.4 0 8   6 6   3 01-14-21 7 4.4 5 0 0.9 0 3 4.4 5 0 -0.7 0 7 6.5 6 3 4.3 1 7 7.2 7 3 1.4 0 01-13-21 10 5.9 5 7 2.6 2 9 4.4 6 0 0.9 -1 4 4.4 5 0 -0.7 0 7 6.5 5 4 4.3 4 01-12-21 9 6.4 7 0 -0.1 1 8 5.9 5 4 2.6 4 6 4.4 5 2 0.9 2 5 4.4 4 2 -0.7 1 01-11-21 8 8.5 7 7 6.4 5 10 6.4 7 0 -0.1 -1 11 5.9 9 6 2.6 8 7 4.4 10 3 0.9 1 01-10-21 4 3.1 5 17 2.8 0 6 8.5 7 17 6.4 5 7 6.4 7 18 -0.1 0 8 5.9 10 20 2.6 6 01-09-21 2 3.6 5 -2 -2.7 -3 4 3.1 5 1 2.8 -1 8 8.5 8 6 6.4 4 7 6.4 5 0 -0.1 -1 01-08-21 2 0.8 4 -3 -1.8 -2 4 3.6 5 -4 -2.7 -3 4 3.1 4 0 2.8 -1 7 8.5 6 5 6.4 3 01-07-21 2 3.4 4 -2 -2.8 0 3 0.8 4 -3 -1.8 -3 4 3.6 4 -2 -2.7 -3 5 3.1 5 0 2.8 -1 01-06-21 5 5.7 5 -2 -0.1 -1 2 3.4 3 -2 -2.8 -1 3 0.8 3 -4 -1.8 -2 4 3.6 5 -3 -2.7 -2 01-05-21 5 3.9 4 3 2.9 2 5 5.7 5 -1 -0.1 -1 3 3.4 3 -1 -2.8 -1 2 0.8 4 -1 -1.8 -2 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 9 11 11 10 7 11 11 10 9 9 7 7 8 6 6 7 % Succ 69.2   84.6 84.6   76.9 58.3   91.7 91.7   83.3 81.8   81.8 63.6   63.6 80.0   60.0 60.0   70.0 Ave Error 1.6   1.1 2.2   1.2 1.8   1.1 1.8   1.6 1.2   0.9 3.0   1.9 1.2   2.2 3.0   1.6 Net Error 0.9   0.6 1.4   -0.5 0.8   0.5 0.6   -0.9 0.9   0.6 1.7   -0.2 0.8   1.0 2.0   -0.4 Std Dev 1.3   0.9 3.6   0.9 1.4   0.9 2.8   1.4 1.4   0.9 5.0   1.8 1.0   2.1 5.1   1.3

Start: 01-18-21 01-17-21 01-16-21 01-15-21 01-14-21 01-13-21 01-12-21 01-11-21 01-10-21 01-09-21 01-08-21 01-07-21 01-06-21 01-05-21 01-04-21 01-03-21 01-02-21 01-01-21 12-31-20 12-30-20 12-29-20 12-28-20 12-27-20 12-26-20 12-25-20 12-24-20 12-23-20 12-22-20 12-21-20 12-20-20 12-19-20 12-18-20 12-17-20 12-16-20 12-15-20 12-14-20 12-13-20 12-12-20 12-11-20 12-10-20 12-09-20 12-08-20 12-07-20 12-06-20 12-05-20 12-04-20 12-03-20 12-02-20 12-01-20 11-30-20 11-29-20 11-28-20 11-27-20 11-26-20 11-25-20 11-24-20 11-23-20 11-22-20 11-21-20 11-20-20 11-19-20 11-18-20 11-17-20 11-16-20 11-14-20 11-13-20 11-12-20 11-11-20 11-10-20 11-09-20 11-08-20 11-07-20 11-06-20 11-05-20 11-04-20 11-03-20 11-02-20 11-01-20 10-31-20 10-30-20 10-29-20 10-28-20 10-27-20 10-26-20 10-25-20 10-24-20 10-23-20 10-22-20 10-21-20 10-20-20 10-19-20 10-18-20 10-17-20 10-16-20 10-15-20 10-14-20 10-13-20 10-12-20 10-11-20 10-10-20 10-09-20 10-08-20 10-07-20 10-06-20 10-05-20 10-04-20 10-03-20 10-02-20 10-01-20 09-30-20 09-29-20 09-28-20 09-27-20 09-26-20 09-25-20 09-24-20 09-23-20 09-22-20 09-21-20 09-20-20 09-19-20 09-18-20 09-17-20 09-16-20 09-15-20 09-14-20 09-13-20 09-12-20 09-11-20 09-10-20 09-09-20 09-08-20 09-07-20 09-06-20 09-05-20 09-04-20 09-03-20 09-02-20 09-01-20 08-31-20 08-30-20 08-29-20 08-28-20 08-27-20 08-26-20 08-25-20 08-24-20 08-23-20 08-22-20 08-21-20 08-20-20 08-19-20 08-18-20 08-17-20 08-16-20 08-15-20 08-14-20 08-13-20 08-12-20 08-11-20 08-10-20 08-09-20 08-08-20 08-07-20 08-06-20 08-05-20 08-04-20 08-03-20 08-02-20 08-01-20 07-31-20 07-30-20 07-29-20 07-28-20 07-27-20 07-26-20 07-25-20 07-24-20 07-23-20 07-22-20 07-21-20 07-20-20 07-19-20 07-18-20 07-17-20 07-16-20 07-15-20 07-14-20 07-13-20 07-12-20  Days: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190  Cols: 1 2 3 4   Goal:   Ext Stats:   Diff Cols:   Hilite #s:   Time:   Show WU