Chelmsford Weather from CM2Weather

Forecast: Increasing clouds with little temperature change. Precipitation possible within 24 to 48 hours. Last Updated 17:50 on 18 April 2019

NOAA style reports
Select a Year or Month report
V/Λ2019 > Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
V/Λ2018 > Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
V/Λ2017 > Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
V/Λ2016 > Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
V/Λ2015 > Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
V/Λ2014 > Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
V/Λ2013 > Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
V/Λ2012 > Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
V/Λ2011 > Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Report for 2017 Sep
                   Monthly Climatological Summary for Sep 2017

Name: CM2Weather   City: Chelmsford   State: Essex
Elevation: 66 m  Lat: N 51 42 38   Lon: E 000 28 14

                  Temperature (C), Rain (mm), Wind Speed (mph)

                                      Heat  Cool        Avg
    Mean                              Deg   Deg         Wind                 Dom
Day Temp  High   Time   Low    Time   Days  Days  Rain  Speed High   Time    Dir
----------------------------------------------------------------------------------
01  15.6  22.6   11:51   8.2   06:25   0.7   0.0  10.0   1.5  14.0   23:07     N
02  15.9  24.3   12:28   9.4   06:31   0.3   0.0   2.4   1.2  10.0   18:37   WSW
03  15.3  20.9   10:29  11.0   06:01   0.1   0.0   1.2   2.8  15.0   16:26   SSW
04  17.5  22.3   17:27  13.9   00:00   0.0   0.0   1.0   2.6  13.0   19:02    SW
05  18.2  21.7   15:49  14.8   23:56   0.0   0.0   0.0   4.1  20.0   22:38   WSW
06  15.3  19.3   12:17  11.3   06:06   0.0   0.0   0.0   1.6  12.0   10:08     W
07  16.3  21.5   12:35  12.1   07:02   0.0   0.0   0.0   2.8  15.0   19:40   WSW
08  15.3  17.9   16:45  11.8   23:52   0.0   0.0   8.2   3.8  19.0   00:45   WSW
09  13.9  21.3   13:18   9.7   05:44   0.6   0.0   0.2   1.6  14.0   12:49   WSW
10  13.6  19.3   11:23   9.0   05:44   0.8   0.0   0.6   4.5  24.0   19:23    SW
11  14.1  20.3   14:01  11.2   03:50   0.2   0.0  10.2   5.2  23.0   12:32   WSW
12  14.1  19.7   11:48   9.8   05:41   0.6   0.0   2.6   4.3  23.0   22:18   WSW
13  14.6  19.4   12:21  10.9   23:28   0.1   0.0   2.0   5.5  30.0   03:26   WSW
14  11.7  18.6   14:43   8.0   06:45   1.3   0.0   0.8   1.5  14.0   15:03     W
15  11.7  19.8   13:21   7.0   06:49   1.7   0.0   0.6   1.7  18.0   15:27    NW
16  11.0  18.0   12:41   7.4   06:29   1.8   0.0   1.0   1.1  12.0   12:11   NNW
17  12.2  17.9   16:08   8.7   02:36   1.2   0.0   0.0   2.1  11.0   13:18     N
18  12.5  19.0   13:04   9.4   01:25   0.6   0.0   6.4   2.5  15.0   10:15   NNW
19  11.3  16.4   15:06   8.7   22:34   1.4   0.0   0.6   1.2  12.0   06:08   NNW
20  13.7  20.0   13:46   9.1   04:30   0.8   0.0   0.0   2.8  14.0   15:25    SW
21  15.5  20.0   13:34  12.8   00:00   0.0   0.0   0.2   3.9  20.0   12:13    SW
22  14.0  20.6   13:21   7.9   07:18   0.8   0.0   0.0   1.3  10.0   14:56    SW
23  14.7  21.8   13:18  10.6   03:33   0.1   0.0   1.2   1.5  12.0   11:58     S
24  16.6  23.3   13:00  11.9   07:28   0.0   0.0   0.2   1.6  12.0   11:39    SE
25  15.9  18.1   13:55  14.6   23:46   0.0   0.0   0.4   1.3  11.0   16:29     E
26  16.2  22.3   12:29  13.4   07:13   0.0   0.0   0.0   1.3   9.0   12:51     E
27  15.9  21.5   12:39  11.3   06:46   0.1   0.0   4.8   1.3  12.0   23:40   SSE
28  17.1  21.6   13:40  13.0   23:37   0.0   0.0   5.6   2.8  14.0   12:09    SW
29  15.9  20.4   12:12  12.3   23:57   0.0   0.0   2.8   2.0  13.0   12:59    SW
30  13.8  19.4   12:06  10.6   03:53   0.3   0.0   0.2   2.3  15.0   15:33    SW
----------------------------------------------------------------------------------
    14.6  24.3     2     7.0    15    13.5   0.0  63.2   2.5  30.0    13     WSW

Max >=  35.7  0
Max <=  33.6 30
Min <= -20.6  0
Min <= -18.0  0
Max Rain: 10.2 on day 11
Days of Rain: 23 (>= 0.2 mm)  10 (>= 2.0 mm)  0 (>= 20.0 mm)
Heat Base: 12.0  Cool Base: 24.0  Method: Integration