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Updated Live on: 20/05/2026 03:35 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
partly cloudy

Currently 11.9°C, Max: 12.4°C, Min: 11.9°C 11.9°C Colder 0.1°C than last hour

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Feels like:  10°C

24-hr Difference
1.4°CWarmer 1.4°C than yesterday at this time
Records Today Yesterday
Highs: 12.4°C
00:00
18.2°C
10:42
Lows: 11.9°C
01:12
10.4°C
03:18
 Wind from S S
2.4

Gusting: 10.7 mph
2 Bft - Light Air
Max Today: 12.1 at 00:08
Gust Month: 19.8 mph on May 19
Rain Today: 0.1 mm
Last Rain at: 02:03
Rate (mm/hr): 0.0 mm
Yesterday: 7.9 mm
May: 30.0 mm
Rain this Year: 434.9 mm
11 rain days this May
Today
Few Showers
Few Showers
18°C
Barometer Humidity / Dew Point Moon
Current: 1012.0 mb Falling 1 °C/hr
1-Hour Trend: Falling
3-Hour Trend: Rising
High: 1013.0  | Low: 1011.0
Humidity: 98 %  
Humidex: 14.0°C
Dew Point: 11.6°C Decreased 0.1°C since last hour
Wet Bulb: 11.7°C
Waxing Crescent
Waxing Crescent, Moon at 3 days in cycle
16%
Illuminated
UVI Forecast Solar Information
20/05/2026   Medium   5.8   
21/05/2026   High   6.3   
22/05/2026   High   6.3   
Sunrise is at: 05:09
Solar Noon at: 13:02
Sunset is at: 20:55
Wind Chill Heating Degree Days Sun
Current: 10.0°C
Today: 10.0°C  at 01:54
Yesterday: 7.6°C
Last Week: 3.2°C
Record: -13.3°C   01/03/2018
Today: 0.9
May: 118.1
2026 to Date: 1310.3
Cooling Degree Days
2026 to Date: 0.0
Daylight: 15:46:00
+ 00:02:40
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 05:09
Sunset is at: 20:55
Moonrise is at: 08:13
Moonset is at: 00:33
Cloud Height: 231 ft
Wed 20 May
High Tide: 0131 4.6
Low Tide: 0749 0.8
High Tide: 1415 4.5
Low Tide: 2015 1.1
Air Density: 1.230 kg/m3
New Moon: 16 May 2026
Full Moon: 31 May 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 19.5°C
Sys Check: 00:20
Sys Reset: 4 Days 15 Hours 17 Minutes 25 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:
-2.0 at 03:35


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Mostly Cloudy
Mostly Cloudy
11°C
Partly cloudy this evening, then becoming cloudy after midnight. Low 11C. Winds SW at 10 to 15 mph.
Tomorrow
AM Clouds, PM Sun
AM Clouds, PM Sun
21°C
Cloudy early with partial sunshine expected late. Warmer and more humid. High 21C. Winds SSW at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow
AM Clouds, PM Sun
AM Clouds, PM Sun
21°C
Tomorrow night
Partly Cloudy
Partly Cloudy
13°C
Friday
Partly Cloudy
Partly Cloudy
25°C
Friday night
Partly Cloudy
Partly Cloudy
14°C
Saturday
Mostly Sunny
Mostly Sunny
28°C
Saturday night
Mostly Clear
Mostly Clear
14°C