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Updated Live on: 25/09/2026 01:35 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
mostly cloudy

Currently 12.5°C, Max: 13.5°C, Min: 12.5°C 12.5°C Colder 0.5°C than last hour

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Feels like:  13°C

24-hr Difference
1.2°CWarmer 1.2°C than yesterday at this time
Records Today Yesterday
Highs: 13.5°C
00:00
21.0°C
13:08
Lows: 12.5°C
01:25
9.1°C
07:06
 Calm NNW
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 0.0 at 11:24
Gust Month: 18.9 mph on Sep 4
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
September: 33.0 mm
Rain this Year: 573.8 mm
10 rain days this September
Last Rain: 21/09/2026 at 12:53
Tonight
Cloudy
Cloudy
13°C
Barometer Humidity / Dew Point Moon
Current: 1020.0 mb Rising 1 °C/hr
1-Hour Trend: Rising
3-Hour Trend: Falling
High: 1021.0  | Low: 1019.0
Humidity: 98 %  
Humidex: 14.9°C
Dew Point: 12.2°C Decreased 0.5°C since last hour
Wet Bulb: 12.3°C
Waxing Gibbous
Waxing Gibbous, Moon at 13 days in cycle
97%
Illuminated
UVI Forecast Solar Information
25/09/2026   Medium   3.2   
26/09/2026   Medium   3.0   
27/09/2026   Medium   3.0   
Sunrise is at: 06:56
Solar Noon at: 12:57
Sunset is at: 18:57
Wind Chill Heating Degree Days Sun
Current: 12.5°C
Today: 12.5°C  at 01:25
Yesterday: 9.1°C
Last Week: 9.4°C
Record: -13.3°C   01/03/2018
Today: 0.3
September: 58.5
2026 to Date: 1458.9
Cooling Degree Days
2026 to Date: 235.1
Daylight: 12:01:00
-00:03:51
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:56
Sunset is at: 18:57
Moonrise is at: 18:23
Moonset is at: 05:13
Cloud Height: 232 ft
Fri 25 September
Low Tide: 0423 1.2
High Tide: 1036 4.6
Low Tide: 1641 1.2
High Tide: 2246 4.6
Air Density: 1.237 kg/m3
New Moon: 11 September 2026
Full Moon: 26 September 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 21.1°C
Sys Check: 00:20
Sys Reset: 13 Days 12 Hours 6 Minutes 20 Seconds
Highs: Lows:
35.5°C on:
25/06/2026
-8.2°C on:
10/01/2009
Avg Daytime Records
  30.8°C on: 25 Jun 2026   -4.0°C on: 01 Mar 2018
Avg Night Time Records
  26.8°C on: 26 Jun 2026   -6.1°C on: 10 Jan 2009
Soton & New Forest Fire Index
Currently:
-2.0 at 01:35


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
AM Fog, PM Clouds
AM Fog, PM Clouds
23°C
Mostly cloudy skies with some morning fog. Warm. High 23C. Winds NNW at 5 to 10 mph.
Tomorrow night
Mostly Cloudy
Mostly Cloudy
9°C
Considerable cloudiness. Low 9C. Winds NW at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Mostly Cloudy
Mostly Cloudy
9°C
Saturday
Partly Cloudy
Partly Cloudy
21°C
Saturday night
Partly Cloudy
Partly Cloudy
11°C
Sunday
AM Showers
AM Showers
20°C
Sunday night
Showers
Showers
12°C
Monday
AM Clouds, PM Sun
AM Clouds, PM Sun
20°C