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Updated Live on: 04/09/2026 05:30 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
mostly cloudy -  light rain, drizzle

Currently 17.0°C, Max: 17.6°C, Min: 17.0°C 17.0°C Colder 0.1°C than last hour

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Feels like:  17°C

24-hr Difference
0.5°CWarmer 0.5°C than yesterday at this time
Records Today Yesterday
Highs: 17.6°C
00:00
23.9°C
13:28
Lows: 17.0°C
03:11
16.2°C
00:08
 Wind from SE SE
3.6

Gusting: 4.0 mph
2 Bft - Light Breeze
Max Today: 14.5 at 03:48
Gust Month: 16.1 mph on Sep 2
Rain Today: 0.3 mm
Last Rain at: 03:47
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
September: 1.7 mm
Rain this Year: 542.6 mm
2 rain days this September
Today
Cloudy
Cloudy
22°C
Barometer Humidity / Dew Point Moon
Current: 1011.0 mb Falling 2 °C/hr
1-Hour Trend: Falling
3-Hour Trend: Falling
High: 1015.0  | Low: 1011.0
Humidity: 98 %  
Humidex: 22.1°C
Dew Point: 16.7°C Decreased 0.1°C since last hour
Wet Bulb: 16.8°C
Waning Gibbous
Waning Gibbous, Moon at 21 days in cycle
52%
Illuminated
UVI Forecast Solar Information
04/09/2026   Medium   5.0   
05/09/2026   Medium   4.5   
06/09/2026   Medium   4.6   
Sunrise is at: 06:23
Solar Noon at: 13:04
Sunset is at: 19:44
Wind Chill Heating Degree Days Sun
Current: 17.5°C
Today: 16.0°C  at 03:48
Yesterday: 15.7°C
Last Week: 10.0°C
Record: -13.3°C   01/03/2018
Today: 0.2
September: 4.6
2026 to Date: 1405.1
Cooling Degree Days
2026 to Date: 235.1
Daylight: 13:21:00
-00:03:46
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:23
Sunset is at: 19:44
Moonrise is at: 22:54
Moonset is at: 15:39
Cloud Height: 236 ft
Fri 04 September
High Tide: 0359 4.3
Low Tide: 1001 1.5
High Tide: 1630 4.2
Low Tide: 2236 1.6
Air Density: 1.205 kg/m3
New Moon: 12 August 2026
Full Moon: 28 August 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 23.1°C
Sys Check: 00:20
Sys Reset: 20 Days 15 Hours 58 Minutes 28 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 05:30


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Partly Cloudy
Partly Cloudy
11°C
Partly cloudy. Low 11C. Winds W at 10 to 15 mph.
Tomorrow
Partly Cloudy
Partly Cloudy
22°C
Partly cloudy skies. High 22C. Winds W at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow
Partly Cloudy
Partly Cloudy
22°C
Tomorrow night
Partly Cloudy
Partly Cloudy
13°C
Sunday
Partly Cloudy
Partly Cloudy
25°C
Sunday night
Partly Cloudy
Partly Cloudy
15°C
Monday
Partly Cloudy
Partly Cloudy
23°C
Monday night
Showers Late
Showers Late
15°C