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Updated Live on: 27/05/2026 18:35 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 26.1°C, Max: 30.2°C, Min: 15.1°C 26.1°C Colder 1.3°C than last hour

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Feels like:  26°C

24-hr Difference
-1.5°CColder 1.5°C than yesterday at this time
Records Today Yesterday
Highs: 30.2°C
13:23
32.2°C
13:42
Lows: 15.1°C
05:20
18.5°C
05:53
 Wind from W W
0.0

Gusting: 4.3 mph
1 Bft - Calm
Max Today: 9.7 at 13:42
Gust Month: 19.9 mph on May 19
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
May: 30.0 mm
Rain this Year: 434.9 mm
11 rain days this May
Last Rain: 20/05/2026 at 02:03
Tonight
Clouds Early, Clearing Late
Clouds Early, Clearing Late
16°C
Barometer Humidity / Dew Point Moon
Current: 1019.0 mb Falling 1 °C/hr
1-Hour Trend: Falling
3-Hour Trend: Falling rapidly
High: 1023.0  | Low: 1019.0
Humidity: 37 % Increased 2% since last hour
Humidex: 27.5°C
Dew Point: 10.3°C Decreased 0.2°C since last hour
Wet Bulb: 17.2°C
Waxing Gibbous
Waxing Gibbous, Moon at 11 days in cycle
88%
Illuminated
UVI Forecast Solar Information
27/05/2026   High   6.6   
28/05/2026   High   6.8   
29/05/2026   High   7.0   
Sunrise is at: 05:01
Solar Noon at: 13:02
Sunset is at: 21:04
Heat Index Cooling Degree Days Sun
Current: 26.1°C
Today: 29.3°C at 11:27
Yesterday: 31.9°C
Last Week: 34.1°C
Record: 34.2°C   19/07/2022
Today: 1.2
May: 25.1
2026 to Date: 25.1
Heating Degree Days
2026 to Date: 1314.1
Daylight: 16:03:00
+ 00:02:13
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 05:01
Sunset is at: 21:04
Moonrise is at: 17:23
Moonset is at: 02:50
Cloud Height: 6628 ft
Wed 27 May
Low Tide: 0239 1.6
High Tide: 0907 4.0
Low Tide: 1456 1.4
High Tide: 2126 4.3
Air Density: 1.181 kg/m3
New Moon: 16 May 2026
Full Moon: 31 May 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 29.1°C
Sys Check: 00:20
Sys Reset: 3 Days 10 Hours 22 Minutes 52 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:
41.8 at 18:35


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Cloudy
Cloudy
27°C
Cloudy. Very warm. High 27C. Winds S at 5 to 10 mph.
Tomorrow night
Mostly Cloudy
Mostly Cloudy
14°C
Partly cloudy skies in the evening, then becoming cloudy overnight. Low 14C. Winds WSW at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Mostly Cloudy
Mostly Cloudy
14°C
Friday
Cloudy
Cloudy
24°C
Friday night
Partly Cloudy
Partly Cloudy
12°C
Saturday
Mostly Cloudy
Mostly Cloudy
26°C
Saturday night
Partly Cloudy
Partly Cloudy
14°C
Sunday
Cloudy
Cloudy
21°C