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Updated Live on: 03/09/2026 05:05 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
mostly cloudy

Currently 16.4°C, Max: 16.4°C, Min: 16.2°C 16.4°C Warmer 0.1°C than last hour

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Feels like:  16°C

24-hr Difference
2°CWarmer 2°C than yesterday at this time
Records Today Yesterday
Highs: 16.4°C
04:27
19.0°C
12:50
Lows: 16.2°C
00:08
14.1°C
04:25
 Wind from S S
2.4

Gusting: 4.3 mph
1 Bft - Light Air
Max Today: 9.3 at 03:37
Gust Month: 16.1 mph on Sep 2
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 1.4 mm
September: 1.4 mm
Rain this Year: 542.3 mm
1 rain day this September
Last Rain: 02/09/2026 at 18:04
Today
AM Drizzle
AM Drizzle
24°C
Barometer Humidity / Dew Point Moon
Current: 1016.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Falling
High: 1018.0  | Low: 1016.0
Humidity: 98 %  
Humidex: 21.1°C
Dew Point: 16.1°C Increased 0.1°C since last hour
Wet Bulb: 16.2°C
Waning Gibbous
Waning Gibbous, Moon at 20 days in cycle
63%
Illuminated
UVI Forecast Solar Information
03/09/2026   Medium   4.8   
04/09/2026   Medium   4.8   
05/09/2026   Medium   4.6   
Sunrise is at: 06:22
Solar Noon at: 13:04
Sunset is at: 19:46
Wind Chill Heating Degree Days Sun
Current: 16.7°C
Today: 15.7°C  at 03:37
Yesterday: 14.1°C
Last Week: 10.0°C
Record: -13.3°C   01/03/2018
Today: 0.4
September: 4.9
2026 to Date: 1405.3
Cooling Degree Days
2026 to Date: 234.4
Daylight: 13:24:00
-00:03:45
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:22
Sunset is at: 19:46
Moonrise is at: 22:02
Moonset is at: 14:21
Cloud Height: 235 ft
Thu 03 September
High Tide: 0257 4.5
Low Tide: 0909 1.1
High Tide: 1528 4.5
Low Tide: 2135 1.3
Air Density: 1.214 kg/m3
New Moon: 12 August 2026
Full Moon: 28 August 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 21.5°C
Sys Check: 00:20
Sys Reset: 19 Days 15 Hours 33 Minutes 27 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 05:05


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Drizzle Late
Drizzle Late
19°C
Partly cloudy skies this evening will give way to low clouds and drizzle overnight. Low 19C. Winds SW at 10 to 20 mph.
Tomorrow
Cloudy
Cloudy
21°C
Cloudy. High 21C. Winds W at 10 to 20 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow
Cloudy
Cloudy
21°C
Tomorrow night
Partly Cloudy
Partly Cloudy
11°C
Saturday
Partly Cloudy
Partly Cloudy
23°C
Saturday night
Mostly Clear
Mostly Clear
13°C
Sunday
Partly Cloudy
Partly Cloudy
25°C
Sunday night
Partly Cloudy
Partly Cloudy
16°C