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Updated Live on: 12/09/2026 03:45 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 10.6°C, Max: 12.5°C, Min: 10.6°C 10.6°C Colder 0.4°C than last hour

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Feels like:  11°C

24-hr Difference
-4.2°CColder 4.2°C than yesterday at this time
Records Today Yesterday
Highs: 12.5°C
00:00
20.2°C
12:14
Lows: 10.6°C
03:36
12.4°C
23:40
 Calm S
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 2.1 at 00:32
Gust Month: 18.9 mph on Sep 4
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 3.0 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
Partly Cloudy
Partly Cloudy
22°C
Barometer Humidity / Dew Point Moon
Current: 1024.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Steady
High: 1025.0  | Low: 1023.0
Humidity: 97 % Increased 2% since last hour
Humidex: 11.9°C
Dew Point: 10.1°C Decreased 0.1°C since last hour
Wet Bulb: 10.4°C
Waxing Crescent
Waxing Crescent, Moon at 1 days in cycle
1%
Illuminated
UVI Forecast Solar Information
12/09/2026   Medium   4.2   
13/09/2026   Medium   3.9   
14/09/2026   Medium   3.9   
Sunrise is at: 06:36
Solar Noon at: 13:01
Sunset is at: 19:26
Wind Chill Heating Degree Days Sun
Current: 10.6°C
Today: 10.6°C  at 03:36
Yesterday: 12.4°C
Last Week: 7.7°C
Record: -13.3°C   01/03/2018
Today: 0.9
September: 25.2
2026 to Date: 1425.7
Cooling Degree Days
2026 to Date: 235.1
Daylight: 12:50:00
-00:03:48
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:36
Sunset is at: 19:26
Moonrise is at: 08:14
Moonset is at: 19:30
Cloud Height: 293 ft
Sat 12 September
Low Tide: 0556 0.6
High Tide: 1210 4.8
Low Tide: 1815 0.8
Air Density: 1.251 kg/m3
New Moon: 11 September 2026
Full Moon: 26 September 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 21.0°C
Sys Check: 00:20
Sys Reset: 0 Days 14 Hours 16 Minutes 38 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 03:45


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Light Rain Late
Light Rain Late
17°C
Partly cloudy this evening followed by some light rain after midnight. Low 17C. Winds WSW at 10 to 15 mph. Chance of rain 40%.
Tomorrow
AM Light Rain
AM Light Rain
22°C
Cloudy. Periods of light rain early. High 22C. Winds WSW at 10 to 15 mph. Chance of rain 40%.
Short Term Weather Forecast for the Southampton Area
Tomorrow
AM Light Rain
AM Light Rain
22°C
Tomorrow night
Cloudy
Cloudy
17°C
Monday
AM Clouds, PM Sun
AM Clouds, PM Sun
24°C
Monday night
Partly Cloudy
Partly Cloudy
16°C
Tuesday
AM Clouds, PM Sun
AM Clouds, PM Sun
22°C
Tuesday night
Mostly Clear
Mostly Clear
11°C