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Updated Live on: 21/04/2026 11:30 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
partly cloudy

Currently 12.3°C, Max: 12.4°C, Min: 2.7°C 12.3°C Warmer 2.1°C than last hour

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Feels like:  12°C

24-hr Difference
-0.5°CColder 0.5°C than yesterday at this time
Records Today Yesterday
Highs: 12.4°C
11:27
15.3°C
16:02
Lows: 2.7°C
05:16
4.0°C
06:19
 Wind from NE NE
2.9

Gusting: 4.3 mph
1 Bft - Light Air
Max Today: 7.4 at 10:52
Gust Month: 39.3 mph on Apr 11
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
April: 11.2 mm
Rain this Year: 405.0 mm
10 rain days this April
Last Rain: 17/04/2026 at 01:09
Today
AM Clouds, PM Sun
AM Clouds, PM Sun
15°C
Barometer Humidity / Dew Point Moon
Current: 1024.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Steady
High: 1025.0  | Low: 1023.0
Humidity: 57 % Decreased 16% since last hour
Humidex: 11.3°C
Dew Point: 4.0°C Decreased 1.6°C since last hour
Wet Bulb: 8.6°C
Waxing Crescent
Waxing Crescent, Moon at 4 days in cycle
21%
Illuminated
UVI Forecast Solar Information
21/04/2026   Medium   4.0   
22/04/2026   Medium   4.1   
23/04/2026   Medium   4.3   
Sunrise is at: 05:58
Solar Noon at: 13:04
Sunset is at: 20:10
Wind Chill Heating Degree Days Sun
Current: 11.9°C
Today: 1.6°C  at 05:47
Yesterday: 4.0°C
Last Week: 1.3°C
Record: -13.3°C   01/03/2018
Today: 6.2
April: 146.1
2026 to Date: 1139.7
Cooling Degree Days
2026 to Date: 0.0
Daylight: 14:12:00
+ 00:03:40
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 05:58
Sunset is at: 20:10
Moonrise is at: 08:01
Moonset is at: 00:45
Cloud Height: 3517 ft
Tue 21 April
High Tide: 0139 4.7
Low Tide: 0758 0.8
High Tide: 1413 4.5
Low Tide: 2022 1.0
Air Density: 1.246 kg/m3
New Moon: 17 April 2026
Full Moon: 1 May 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 15.7°C
Sys Check: 00:20
Sys Reset: 6 Days 1 Hours 51 Minutes 13 Seconds
Highs: Lows:
35.2°C on:
19/07/2022
-8.2°C on:
10/01/2009
Avg Daytime Records
  29.2°C on: 19 Jul 2022   -4.0°C on: 01 Mar 2018
Avg Night Time Records
  24.8°C on: 20 Jul 2016   -6.1°C on: 10 Jan 2009
Soton & New Forest Fire Index
Currently:
10.5 at 11:30


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Mostly Clear
Mostly Clear
6°C
Clear to partly cloudy. Low 6C. Winds ENE at 10 to 20 mph.
Tomorrow
Partly Cloudy
Partly Cloudy
18°C
Intervals of clouds and sunshine. High 18C. Winds E at 15 to 25 mph. Higher wind gusts possible.
Short Term Weather Forecast for the Southampton Area
Tomorrow
Partly Cloudy
Partly Cloudy
18°C
Tomorrow night
Partly Cloudy
Partly Cloudy
7°C
Thursday
Sunny
Sunny
21°C
Thursday night
Clear
Clear
5°C
Friday
Sunny
Sunny
20°C
Friday night
Mostly Clear
Mostly Clear
4°C