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Updated Live on: 11/09/2026 10:10 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
mostly clear

Currently 17.2°C, Max: 17.3°C, Min: 12.7°C 17.2°C Warmer 1.8°C than last hour

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Feels like:  17°C

24-hr Difference
1.1°CWarmer 1.1°C than yesterday at this time
Records Today Yesterday
Highs: 17.3°C
10:02
19.1°C
12:10
Lows: 12.7°C
06:42
9.4°C
06:31
 Wind from N N
1.7

Gusting: 0.0 mph
0 Bft - Light Air
Max Today: 9.0 at 01:23
Gust Month: 18.8 mph on Sep 4
Rain Today: 3.0 mm
Last Rain at: 03:47
Rate (mm/hr): 0.0 mm
Yesterday: 0.1 mm
September: 30.1 mm
Rain this Year: 570.9 mm
5 rain days this September
Today
Partly Cloudy
Partly Cloudy
23°C
Barometer Humidity / Dew Point Moon
Current: 1019.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Rising
High: 1019.0  | Low: 1015.0
Humidity: 95 % Decreased 3% since last hour
Humidex: 22.1°C
Dew Point: 16.4°C Increased 1.3°C since last hour
Wet Bulb: 16.7°C
New Moon
New Moon, Moon at 0 days in cycle
0%
Illuminated
UVI Forecast Solar Information
11/09/2026   Medium   3.8   
12/09/2026   Medium   4.1   
13/09/2026   Medium   4.0   
Sunrise is at: 06:34
Solar Noon at: 13:02
Sunset is at: 19:28
Wind Chill Heating Degree Days Sun
Current: 17.2°C
Today: 12.6°C  at 07:00
Yesterday: 9.4°C
Last Week: 7.7°C
Record: -13.3°C   01/03/2018
Today: 1.5
September: 23.7
2026 to Date: 1424.2
Cooling Degree Days
2026 to Date: 235.1
Daylight: 12:54:00
-00:03:48
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:34
Sunset is at: 19:28
Moonrise is at: 06:56
Moonset is at: 19:17
Cloud Height: 438 ft
Fri 11 September
Low Tide: 0518 0.7
High Tide: 1136 4.8
Low Tide: 1737 0.8
High Tide: 2345 4.7
Air Density: 1.214 kg/m3
New Moon: 11 September 2026
Full Moon: 26 September 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 20.1°C
Sys Check: 00:20
Sys Reset: 27 Days 20 Hours 38 Minutes 16 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:
-1.5 at 10:10


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Fog Late
Fog Late
10°C
Mostly clear this evening, then becoming foggy and damp after midnight. Low near 10C. Winds WNW at 5 to 10 mph.
Tomorrow
Partly Cloudy
Partly Cloudy
23°C
Sunshine and clouds mixed. High 23C. Winds WSW at 10 to 20 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow
Partly Cloudy
Partly Cloudy
23°C
Tomorrow night
Light Rain Late
Light Rain Late
17°C
Sunday
AM Light Rain
AM Light Rain
23°C
Sunday night
Cloudy
Cloudy
17°C
Monday
Partly Cloudy
Partly Cloudy
23°C
Monday night
Partly Cloudy
Partly Cloudy
16°C