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Updated Live on: 13/09/2026 03:50 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
mostly cloudy

Currently 15.7°C, Max: 16.1°C, Min: 15.7°C 15.7°C Colder 0.1°C than last hour

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Feels like:  16°C

24-hr Difference
5°CWarmer 5°C than yesterday at this time
Records Today Yesterday
Highs: 16.1°C
01:16
21.2°C
14:46
Lows: 15.7°C
00:17
9.6°C
07:00
 Wind from WNW WNW
1.7

Gusting: 2.1 mph
1 Bft - Light Air
Max Today: 6.0 at 03:37
Gust Month: 18.9 mph on Sep 4
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
September: 30.1 mm
Rain this Year: 570.9 mm
5 rain days this September
Last Rain: 11/09/2026 at 03:47
Today
Light Rain
Light Rain
22°C
Barometer Humidity / Dew Point Moon
Current: 1022.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Steady
High: 1023.0  | Low: 1021.0
Humidity: 98 %  
Humidex: 19.9°C
Dew Point: 15.4°C Decreased 0.1°C since last hour
Wet Bulb: 15.5°C
Waxing Crescent
Waxing Crescent, Moon at 2 days in cycle
5%
Illuminated
UVI Forecast Solar Information
13/09/2026   Medium   4.0   
14/09/2026   Medium   4.0   
15/09/2026   Medium   3.7   
Sunrise is at: 06:37
Solar Noon at: 13:01
Sunset is at: 19:24
Wind Chill Heating Degree Days Sun
Current: 16.6°C
Today: 15.6°C  at 03:37
Yesterday: 9.6°C
Last Week: 7.7°C
Record: -13.3°C   01/03/2018
Today: 0.4
September: 27.6
2026 to Date: 1428.0
Cooling Degree Days
2026 to Date: 235.1
Daylight: 12:47:00
-00:03:48
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:37
Sunset is at: 19:24
Moonrise is at: 09:32
Moonset is at: 19:43
Cloud Height: 235 ft
Sun 13 September
High Tide: 0021 4.7
Low Tide: 0632 0.6
High Tide: 1244 4.8
Low Tide: 1852 0.8
Air Density: 1.225 kg/m3
New Moon: 11 September 2026
Full Moon: 26 September 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 21.3°C
Sys Check: 00:20
Sys Reset: 1 Days 14 Hours 21 Minutes 35 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:
-1.8 at 03:50


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Fog Late
Fog Late
16°C
Partly cloudy this evening, then becoming foggy and damp after midnight. Low 16C. Winds WSW at 5 to 10 mph.
Tomorrow
AM Clouds, PM Sun
AM Clouds, PM Sun
22°C
Areas of patchy fog early. Cloudy skies early will become partly cloudy later in the day. High 22C. Winds SW at 10 to 15 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow
AM Clouds, PM Sun
AM Clouds, PM Sun
22°C
Tomorrow night
Mostly Cloudy
Mostly Cloudy
16°C
Tuesday
AM Light Rain
AM Light Rain
22°C
Tuesday night
Mostly Clear
Mostly Clear
11°C
Wednesday
Partly Cloudy
Partly Cloudy
20°C
Wednesday night
Mostly Cloudy
Mostly Cloudy
12°C