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Updated Live on: 29/09/2026 12:45 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
partly cloudy

Currently 20.2°C, Max: 21.3°C, Min: 12.4°C 20.2°C Colder 0.5°C than last hour

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Feels like:  20°C

24-hr Difference
3.7°CWarmer 3.7°C than yesterday at this time
Records Today Yesterday
Highs: 21.3°C
12:10
18.1°C
15:40
Lows: 12.4°C
00:00
9.6°C
06:50
 Wind from NNW NNW
5.0

Gusting: 9.7 mph
2 Bft - Light Breeze
Max Today: 16.0 at 10:50
Gust Month: 18.9 mph on Sep 4
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.1 mm
September: 34.2 mm
Rain this Year: 575.0 mm
12 rain days this September
Last Rain: 28/09/2026 at 14:06
Today
Cloudy
Cloudy
22°C
Barometer Humidity / Dew Point Moon
Current: 1012.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Falling
High: 1019.0  | Low: 1012.0
Humidity: 81 % Increased 3% since last hour
Humidex: 25.4°C
Dew Point: 16.8°C Increased 0.1°C since last hour
Wet Bulb: 18.1°C
Waning Gibbous
Waning Gibbous, Moon at 17 days in cycle
90%
Illuminated
UVI Forecast Solar Information
29/09/2026   Low   2.9   
30/09/2026   Low   2.8   
01/10/2026   Low   2.6   
Sunrise is at: 07:02
Solar Noon at: 12:55
Sunset is at: 18:48
Heat Index Cooling Degree Days Sun
Current: 20.2°C
Today: 21.3°C at 12:10
Yesterday: 18.1°C
Last Week: 24.9°C
Record: 39.7°C   25/06/2026
Today: 0.0
September: 0.7
2026 to Date: 235.1
Heating Degree Days
2026 to Date: 1477.2
Daylight: 11:46:00
-00:03:50
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 07:02
Sunset is at: 18:48
Moonrise is at: 19:30
Moonset is at: 10:41
Cloud Height: 1492 ft
Tue 29 September
High Tide: 0025 4.8
Low Tide: 0645 0.7
High Tide: 1245 4.9
Low Tide: 1905 0.8
Air Density: 1.193 kg/m3
New Moon: 11 September 2026
Full Moon: 26 September 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 19.2°C
Sys Check: 00:20
Sys Reset: 17 Days 23 Hours 16 Minutes 16 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:
0.6 at 12:45


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Light Rain Late
Light Rain Late
19°C
Cloudy skies with periods of light rain late. Low 19C. Winds SSE at 10 to 15 mph. Chance of rain 60%.
Tomorrow
AM Light Rain
AM Light Rain
21°C
Clearing skies after some morning light rain. High 21C. Winds SSW at 10 to 20 mph. Chance of rain 40%.
Short Term Weather Forecast for the Southampton Area
Tomorrow
AM Light Rain
AM Light Rain
21°C
Tomorrow night
Showers
Showers
12°C
Thursday
Mostly Sunny
Mostly Sunny
21°C
Thursday night
Partly Cloudy
Partly Cloudy
12°C
Friday
Partly Cloudy
Partly Cloudy
20°C
Friday night
Partly Cloudy
Partly Cloudy
11°C