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Updated Live on: 09/09/2026 10:15 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
mostly clear

Currently 15.0°C, Max: 15.0°C, Min: 8.9°C 15.0°C Warmer 2.9°C than last hour

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Feels like:  15°C

24-hr Difference
1.7°CWarmer 1.7°C than yesterday at this time
Records Today Yesterday
Highs: 15.0°C
10:14
16.3°C
16:17
Lows: 8.9°C
06:32
11.2°C
23:49
 Wind from N N
1.7

Gusting: 3.3 mph
1 Bft - Light Air
Max Today: 7.4 at 01:19
Gust Month: 18.8 mph on Sep 4
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 24.1 mm
September: 27.0 mm
Rain this Year: 567.8 mm
3 rain days this September
Last Rain: 08/09/2026 at 13:55
Today
Partly Cloudy
Partly Cloudy
20°C
Barometer Humidity / Dew Point Moon
Current: 1018.0 mb Rising 0.5 °C/hr
1-Hour Trend: Rising slowly
3-Hour Trend: Rising
High: 1018.0  | Low: 1013.0
Humidity: 77 % Decreased 20% since last hour
Humidex: 16.8°C
Dew Point: 11.0°C Decreased 0.7°C since last hour
Wet Bulb: 12.9°C
Waning Crescent
Waning Crescent, Moon at 27 days in cycle
4%
Illuminated
UVI Forecast Solar Information
09/09/2026   Medium   3.7   
10/09/2026   Medium   4.0   
11/09/2026   Medium   3.9   
Sunrise is at: 06:31
Solar Noon at: 13:02
Sunset is at: 19:33
Wind Chill Heating Degree Days Sun
Current: 15.4°C
Today: 7.9°C  at 07:44
Yesterday: 10.1°C
Last Week: 7.7°C
Record: -13.3°C   01/03/2018
Today: 3.3
September: 17.0
2026 to Date: 1417.5
Cooling Degree Days
2026 to Date: 235.1
Daylight: 13:02:00
-00:03:47
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:31
Sunset is at: 19:33
Moonrise is at: 04:11
Moonset is at: 18:50
Cloud Height: 1754 ft
Wed 09 September
Low Tide: 0357 1.2
High Tide: 1025 4.5
Low Tide: 1619 1.3
High Tide: 2235 4.6
Air Density: 1.225 kg/m3
New Moon: 12 August 2026
Full Moon: 28 August 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 19.7°C
Sys Check: 00:20
Sys Reset: 25 Days 20 Hours 43 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:
1.1 at 10:15


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Mostly Cloudy
Mostly Cloudy
9°C
Partly cloudy this evening, then becoming cloudy after midnight. Low 9C. Winds light and variable.
Tomorrow
Mostly Cloudy
Mostly Cloudy
20°C
A mix of clouds and sun early, then becoming cloudy later in the day. High near 20C. Winds SW at 10 to 20 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow
Mostly Cloudy
Mostly Cloudy
20°C
Tomorrow night
Light Rain
Light Rain
14°C
Friday
Mostly Cloudy
Mostly Cloudy
23°C
Friday night
Partly Cloudy
Partly Cloudy
10°C
Saturday
Partly Cloudy
Partly Cloudy
22°C
Saturday night
Rain Late
Rain Late
16°C