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Updated Live on: 27/09/2026 22:00 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 12.7°C, Max: 19.1°C, Min: 9.6°C 12.7°C Colder 0.8°C than last hour

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Feels like:  13°C

24-hr Difference
-0.9°CColder 0.9°C than yesterday at this time
Records Today Yesterday
Highs: 19.1°C
10:37
19.2°C
14:24
Lows: 9.6°C
02:28
9.1°C
07:17
 Calm W
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 16.0 at 14:10
Gust Month: 18.9 mph on Sep 4
Rain Today: 1.0 mm
Last Rain at: 16:01
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
September: 34.0 mm
Rain this Year: 574.8 mm
11 rain days this September
Tonight
Mostly Cloudy
Mostly Cloudy
10°C
Barometer Humidity / Dew Point Moon
Current: 1016.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Rising
High: 1020.0  | Low: 1011.0
Humidity: 98 % Increased 1% since last hour
Humidex: 15.2°C
Dew Point: 12.4°C Decreased 0.6°C since last hour
Wet Bulb: 12.5°C
Waning Gibbous
Waning Gibbous, Moon at 15 days in cycle
98%
Illuminated
UVI Forecast Solar Information
27/09/2026   Medium   3.1   
28/09/2026   Low   2.8   
29/09/2026   Low   2.9   
Sunrise is at: 06:59
Solar Noon at: 12:56
Sunset is at: 18:52
Wind Chill Heating Degree Days Sun
Current: 12.7°C
Today: 9.6°C  at 02:28
Yesterday: 9.1°C
Last Week: 10.0°C
Record: -13.3°C   01/03/2018
Today: 5.5
September: 70.6
2026 to Date: 1471.1
Cooling Degree Days
2026 to Date: 235.1
Daylight: 11:53:00
-00:03:49
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:59
Sunset is at: 18:52
Moonrise is at: 18:50
Moonset is at: 07:51
Cloud Height: 232 ft
Sun 27 September
Low Tide: 0533 0.8
High Tide: 1136 4.9
Low Tide: 1751 0.8
High Tide: 2350 4.8
Air Density: 1.232 kg/m3
New Moon: 11 September 2026
Full Moon: 26 September 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 19.9°C
Sys Check: 00:20
Sys Reset: 16 Days 8 Hours 31 Minutes 18 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:
-1.9 at 22:00


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Mostly Cloudy
Mostly Cloudy
20°C
Mostly cloudy. High around 20C. Winds light and variable.
Tomorrow night
Mostly Cloudy
Mostly Cloudy
14°C
Partly cloudy skies in the evening, then becoming cloudy overnight. Low 14C. Winds E at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Mostly Cloudy
Mostly Cloudy
14°C
Tuesday
Cloudy
Cloudy
23°C
Tuesday night
Rain Late
Rain Late
18°C
Wednesday
AM Rain
AM Rain
21°C
Wednesday night
Partly Cloudy
Partly Cloudy
12°C
Thursday
Mostly Sunny
Mostly Sunny
20°C