Good Early Morning, it's currently Dry and based on the last 12 hours weather trends we expect the weather to be increasing clouds with little temp change, precipitation possible within 24 to 48 hrs.. At the moment we have partly cloudy skies with greater than 7 mile(s) visibility.
Today we have 11:56 hours / mins of possible daylight compared to yesterday 12:00:00 (a change of -00:03:52 ) with the sun rising at 06:56 and setting at 18:52. Since the longest day on 21st June our daylight has decreased by -04:33 hours/mins. The moon rises today at 12:18 and is in the Waxing Crescent Moon phase, with the next full moon due at 03:48 UTC 7 October 2025.
Currently it's 3.9°C (which with the wind feels like 3.9°C and 2.9°C when you take into account the sun and humidity as well) and in the last hour has changed +1.3°C/last hr. Current humidity is 94% with a high today of 94% and a low of 88%. The maximum temperature today has been 3.9°C at 04:39 and the minimum 1.7°C at 02:33. Over the last week the maximum temperature has been 26.9°C and the minimum has been -0.4°C.
This day last year the maximum was 17.7 °C and the minimum was 11.2 °C. Our highest ever September temperature is 28.9°C which was in 2024 during day 9 , and our lowest ever September temperature is -0.8°C which was in 2018 during day 25.
The average temperature this month is 14.0C (compared to a 30 year average for the month of 14.5°C). The maximum has been 26.9C (on day 19) and the lowest -0.4° C (on day 23).
There have been 1 days this month where the temperature has gone below freezing (we would normally expect 0 days of frost in September) and 52 days in total this calendar year (we would normally expect 34 days of frost to the end of September). Since midnight today we have had 00:00 hours of frost. Going the other way there have been 1 days this month where the temperature has gone above 25°C and 0 days above 30°C
The highest temperature we have ever recorded is 37.3 °C which happened in month 8 on day 11 in 2020, and the lowest is -15.3 °C which happened in month 1 on day 7 in 2010.
In depth temperature records are available here
Current average windspeed is 0.0 mph (from a Calm direction). In the last hour the maximum gust has been 0.0 mph N at 04:00 and the maximum gust today has been 0.0 mph (0 on the Beaufort scale) at 11:30 from the NE. The maximum gust this month has been 33.0 mph (on day 11). The average direction for the month has been South westerly.
The strongest gust we have ever recorded is 65.6 mph which happened in month 3 on day 28 in 2016.
So far today we have had 0.00 miles of windrun (yesterday 40.81miles) compared to our all time record of 335.1 miles on 9 2 2020.
In depth wind records are available here
Today there has been 0.0mm of rain (yesterday 0.0 mm), which gives 49.5mm for the month (compared to a 30 year average of 57.0mm). The most rain we have ever had in a month is 222.5mm, which was in January 2014.
The most rain we have ever had in a day is 56.9mm on the 15th September 2009, and the most we have ever had in an hour is 34.2mm which occurred between 4pm to 5pm on 17th August 2022.
So far this month we have had 13 days with rain (which means we've now had 80 days with rain this year) and it's been 5 days since it last rained (on 20/9/2025). The longest period we have had with no rain is 37days, which was in 2007 from 31st March to 6th May.
Over the last week we have had 0.7mm of rain and it's been raining now for 0minutes This year we have now had 271.9mm out of our normal annual rainfall of 691mm
In depth rain records are available here
Within 25miles of Crondall in the last hour we have detected 0 lightning strikes (0 strikes since midnight). This now gives us 10 strikes so far this month and 190 so far this year.
So far this winter we have had 2.0cm of snow, with snow falling on 1 days. There has been 0.0cm of snow today (yesterday 0cm) and the snow depth is currently 0cm. We estimate that snow will fall today at 169mtrs above sea level.
In depth snow records are available here
Current pressure is 1021.6 mb and is Steady, with -1.0 mb in the last 3 hours and +0.1 mb in the last 12 hours. The highest pressure recorded since Feb 1996 is 1049.6mb in month 1, day 19 of 2020 and the lowest is 954.1mb in month 11, day 2 of 2023
In depth barometric pressure records are available here
The current dewpoint is 3.1°C and therefore clouds will be able to form from 642feet, but remember the Crondall weather station is at 280feet so deduct this in order to get the height above Crondall.
Today there are a possible 11:56 hours of sun and so far we have had 00:00 hours of sunshine (yesterday 10:03 hours). In September we would normally expect 142:54 hours:mins of sun and are up to 141:48 hours so far.
The current UV is 0.0 (which is Low and means normal skin will burn in 720 minutes) with a peak so far of 0.0 at 00:00. This compares to our maximum of 6.6 over the last week and our record high UV of 12.9 on 3 8 2021 , but remember we've only been measuring UV since 27th December 2020.
The max solar so far today is 0w/m2 (yesterday 592.0w/m2) and is currently 0w/m2. In terms of overall power generation, this year we have generated 980.9kwh/m2 (77.0kwh/m2 so far this month) out of a typical annual total of 1250kWh/m2.
In depth solar, sunshine and UV records are available here
The current Air Quality Index (AQI) level is 3.0 which is Good.
Under 50 is Good. 51 to 100 is Moderate. 101 to 150 is Unhealthy for Sensitive Groups. 151 to 200 is Unhealthy. 201 to 300 is Very Unhealthy and above 300 is Hazardous! These readings are taken from our Purple Air monitor and a full map and trend analysis can be seen here
The 2.5 micron particle measure is currently 0.7 which compares to 1.3 in the last 60 mins and 1.1 average for the last 24 hours (with a maximum of 9.3). The Davis Nowcast reading is 1.5 - this is based on a weighted average of the last 24 hours and gives a better indication of rapidly changing air quality.
In this context (based on 24hour average) Under 9 is Good; 9.1 to 35.4 is Moderate; 35.5 to 55.4 is Unhealthy for Sensitive Groups; 55.5 to 125.4 is Unhealthy; 125.5 to 225.4 is Very Unhealthy and above 225.5 is Hazardous!
The current Fire Weather Index (FWI) level is 5.0 which compares to 3.6 yesterday and therefore the danger of fire is seen as Low-Moderate. Under 11 is Low and above 50 is Extreme.