spacer
Updated Live on: 05/09/2026 10:40 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
partly cloudy

Currently 18.0°C, Max: 18.0°C, Min: 10.9°C 18.0°C Warmer 1.8°C than last hour

---

Feels like:  18°C

24-hr Difference
-0.4°CColder 0.4°C than yesterday at this time
Records Today Yesterday
Highs: 18.0°C
10:38
20.9°C
12:19
Lows: 10.9°C
04:57
12.6°C
23:56
 Wind from NE NE
4.3

Gusting: 4.0 mph
1 Bft - Light Breeze
Max Today: 8.1 at 10:25
Gust Month: 18.8 mph on Sep 4
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 1.5 mm
September: 2.9 mm
Rain this Year: 543.7 mm
2 rain days this September
Last Rain: 04/09/2026 at 08:43
Today
Mostly Sunny
Mostly Sunny
22°C
Barometer Humidity / Dew Point Moon
Current: 1023.0 mb Falling 1 °C/hr
1-Hour Trend: Falling
3-Hour Trend: Steady
High: 1025.0  | Low: 1019.0
Humidity: 64 % Decreased 16% since last hour
Humidex: 19.8°C
Dew Point: 11.1°C Decreased 1.7°C since last hour
Wet Bulb: 14.2°C
Waning Crescent
Waning Crescent, Moon at 23 days in cycle
38%
Illuminated
UVI Forecast Solar Information
05/09/2026   Medium   4.5   
06/09/2026   Medium   4.6   
07/09/2026   Medium   4.2   
Sunrise is at: 06:25
Solar Noon at: 13:04
Sunset is at: 19:42
Wind Chill Heating Degree Days Sun
Current: 18.6°C
Today: 10.4°C  at 02:11
Yesterday: 12.4°C
Last Week: 10.0°C
Record: -13.3°C   01/03/2018
Today: 2.9
September: 8.5
2026 to Date: 1409.0
Cooling Degree Days
2026 to Date: 235.1
Daylight: 13:17:00
-00:03:45
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:25
Sunset is at: 19:42
Moonrise is at: 00:04
Moonset is at: 16:44
Cloud Height: 2954 ft
Sat 05 September
High Tide: 0506 4.1
Low Tide: 1113 1.8
High Tide: 1736 4.0
Air Density: 1.218 kg/m3
New Moon: 12 August 2026
Full Moon: 28 August 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 21.0°C
Sys Check: 00:20
Sys Reset: 21 Days 21 Hours 8 Minutes 25 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:
6.7 at 10:40


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Mostly Cloudy
Mostly Cloudy
13°C
Partly cloudy early followed by cloudy skies overnight. Low 13C. Winds SSW at 5 to 10 mph.
Tomorrow
Partly Cloudy
Partly Cloudy
25°C
Partly cloudy skies. High around 25C. Winds SE at 10 to 15 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow
Partly Cloudy
Partly Cloudy
25°C
Tomorrow night
Mostly Cloudy
Mostly Cloudy
16°C
Monday
Cloudy
Cloudy
22°C
Monday night
Light Rain Late
Light Rain Late
14°C
Tuesday
Showers
Showers
20°C
Tuesday night
Clear
Clear
10°C