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Updated Live on: 16/09/2026 09:00 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 12.1°C, Max: 12.2°C, Min: 9.8°C 12.1°C Warmer 1.5°C than last hour

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Feels like:  12°C

24-hr Difference
-3.4°CColder 3.4°C than yesterday at this time
Records Today Yesterday
Highs: 12.2°C
00:00
20.2°C
15:14
Lows: 9.8°C
06:56
12.2°C
23:58
 Wind from NE NE
2.1

Gusting: 2.1 mph
0 Bft - Light Air
Max Today: 6.4 at 00:54
Gust Month: 18.9 mph on Sep 4
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.4 mm
September: 30.8 mm
Rain this Year: 571.6 mm
7 rain days this September
Last Rain: 15/09/2026 at 10:57
Today
Mostly Cloudy
Mostly Cloudy
21°C
Barometer Humidity / Dew Point Moon
Current: 1020.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Steady
High: 1021.0  | Low: 1017.0
Humidity: 98 %  
Humidex: 14.3°C
Dew Point: 11.8°C Increased 1.5°C since last hour
Wet Bulb: 11.9°C
Waxing Crescent
Waxing Crescent, Moon at 5 days in cycle
27%
Illuminated
UVI Forecast Solar Information
16/09/2026   Medium   3.3   
17/09/2026   Medium   3.5   
18/09/2026   Medium   3.7   
Sunrise is at: 06:42
Solar Noon at: 13:00
Sunset is at: 19:17
Wind Chill Heating Degree Days Sun
Current: 12.7°C
Today: 9.8°C  at 06:56
Yesterday: 11.8°C
Last Week: 8.4°C
Record: -13.3°C   01/03/2018
Today: 2.5
September: 33.7
2026 to Date: 1434.1
Cooling Degree Days
2026 to Date: 235.1
Daylight: 12:35:00
-00:03:50
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:42
Sunset is at: 19:17
Moonrise is at: 13:18
Moonset is at: 20:44
Cloud Height: 231 ft
Wed 16 September
High Tide: 0210 4.4
Low Tide: 0816 1.1
High Tide: 1430 4.4
Low Tide: 2034 1.3
Air Density: 1.239 kg/m3
New Moon: 11 September 2026
Full Moon: 26 September 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 20.4°C
Sys Check: 00:20
Sys Reset: 4 Days 19 Hours 31 Minutes 33 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 09:00


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Cloudy
Cloudy
14°C
Cloudy. Low 14C. Winds WSW at 10 to 15 mph.
Tomorrow
AM Light Rain
AM Light Rain
20°C
Becoming partly cloudy after some morning light rain. High around 20C. Winds W at 10 to 20 mph. Chance of rain 40%.
Short Term Weather Forecast for the Southampton Area
Tomorrow
AM Light Rain
AM Light Rain
20°C
Tomorrow night
Partly Cloudy
Partly Cloudy
10°C
Friday
Mostly Cloudy
Mostly Cloudy
19°C
Friday night
Cloudy
Cloudy
16°C
Saturday
PM Light Rain
PM Light Rain
20°C
Saturday night
Mostly Cloudy
Mostly Cloudy
15°C