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Updated Live on: 18/06/2026 18:15 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
mostly clear

Currently 21.1°C, Max: 23.2°C, Min: 14.2°C 21.1°C Colder 0.8°C than last hour

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Feels like:  21°C

24-hr Difference
1.4°CWarmer 1.4°C than yesterday at this time
Records Today Yesterday
Highs: 23.2°C
13:05
21.4°C
13:17
Lows: 14.2°C
05:15
14.3°C
05:12
 Wind from W W
3.6

Gusting: 3.6 mph
2 Bft - Light Breeze
Max Today: 10.4 at 18:07
Gust Month: 24.5 mph on Jun 6
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.6 mm
June: 80.3 mm
Rain this Year: 515.7 mm
12 rain days this June
Last Rain: 17/06/2026 at 08:12
Tonight
Partly Cloudy
Partly Cloudy
14°C
Barometer Humidity / Dew Point Moon
Current: 1015.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Falling
High: 1019.0  | Low: 1015.0
Humidity: 75 % Increased 2% since last hour
Humidex: 26.0°C
Dew Point: 16.5°C Decreased 0.4°C since last hour
Wet Bulb: 18.3°C
Waxing Crescent
Waxing Crescent, Moon at 4 days in cycle
18%
Illuminated
UVI Forecast Solar Information
18/06/2026   High   7.1   
19/06/2026   High   7.0   
20/06/2026   High   6.9   
Sunrise is at: 04:51
Solar Noon at: 13:06
Sunset is at: 21:22
Heat Index Cooling Degree Days Sun
Current: 21.1°C
Today: 23.2°C at 13:05
Yesterday: 21.4°C
Last Week: 26.2°C
Record: 34.2°C   19/07/2022
Today: 0.0
June: 0.0
2026 to Date: 33.0
Heating Degree Days
2026 to Date: 1381.6
Daylight: 16:31:00
+ 00:00:24
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 04:51
Sunset is at: 21:22
Moonrise is at: 08:42
Moonset is at: 00:02
Cloud Height: 2003 ft
Thu 18 June
High Tide: 0123 4.5
Low Tide: 0739 0.7
High Tide: 1410 4.6
Low Tide: 2004 1.0
Air Density: 1.193 kg/m3
New Moon: 15 June 2026
Full Moon: 29 June 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 23.0°C
Sys Check: 00:20
Sys Reset: 6 Days 4 Hours 33 Minutes 5 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:
2.3 at 18:15


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Partly Cloudy
Partly Cloudy
24°C
Some clouds in the morning will give way to mainly sunny skies for the afternoon. Warm. High 24C. Winds SW at 10 to 15 mph.
Tomorrow night
Mostly Cloudy
Mostly Cloudy
16°C
Partly cloudy skies in the evening, then becoming cloudy overnight. Low 16C. Winds SW at 10 to 15 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Mostly Cloudy
Mostly Cloudy
16°C
Saturday
AM Clouds, PM Sun
AM Clouds, PM Sun
24°C
Saturday night
Partly Cloudy
Partly Cloudy
15°C
Sunday
Sunny
Sunny
29°C
Sunday night
Clear
Clear
19°C
Monday
Partly Cloudy
Partly Cloudy
31°C