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Updated Live on: 10/09/2026 10:15 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
partly cloudy

Currently 16.5°C, Max: 16.5°C, Min: 9.4°C 16.5°C Warmer 3.6°C than last hour

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Feels like:  17°C

24-hr Difference
1.8°CWarmer 1.8°C than yesterday at this time
Records Today Yesterday
Highs: 16.5°C
10:14
19.4°C
14:49
Lows: 9.4°C
06:31
8.9°C
06:32
 Calm NNW
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 1.7 at 10:09
Gust Month: 18.8 mph on Sep 4
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
September: 27.0 mm
Rain this Year: 567.8 mm
3 rain days this September
Last Rain: 08/09/2026 at 13:55
Today
Mostly Cloudy
Mostly Cloudy
19°C
Barometer Humidity / Dew Point Moon
Current: 1017.0 mb Falling 0.5 °C/hr
1-Hour Trend: Falling slowly
3-Hour Trend: Falling slowly
High: 1019.0  | Low: 1017.0
Humidity: 72 % Decreased 12% since last hour
Humidex: 18.5°C
Dew Point: 11.4°C Increased 1.2°C since last hour
Wet Bulb: 13.7°C
Waning Crescent
Waning Crescent, Moon at 28 days in cycle
1%
Illuminated
UVI Forecast Solar Information
10/09/2026   Medium   4.0   
11/09/2026   Medium   3.8   
12/09/2026   Medium   4.1   
Sunrise is at: 06:32
Solar Noon at: 13:02
Sunset is at: 19:31
Wind Chill Heating Degree Days Sun
Current: 16.5°C
Today: 9.4°C  at 06:31
Yesterday: 7.9°C
Last Week: 7.7°C
Record: -13.3°C   01/03/2018
Today: 3.2
September: 21.4
2026 to Date: 1421.9
Cooling Degree Days
2026 to Date: 235.1
Daylight: 12:59:00
-00:03:48
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:32
Sunset is at: 19:31
Moonrise is at: 05:35
Moonset is at: 19:04
Cloud Height: 2193 ft
Thu 10 September
Low Tide: 0438 0.9
High Tide: 1103 4.7
Low Tide: 1659 1.0
High Tide: 2311 4.7
Air Density: 1.217 kg/m3
New Moon: 12 August 2026
Full Moon: 28 August 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 19.4°C
Sys Check: 00:20
Sys Reset: 26 Days 20 Hours 43 Minutes 19 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:
2.9 at 10:15


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Light Rain Early
Light Rain Early
14°C
Becoming partly cloudy after some evening light rain. Low 14C. Winds WSW at 10 to 15 mph. Chance of rain 40%.
Tomorrow
Partly Cloudy
Partly Cloudy
23°C
Sunshine and clouds mixed. High 23C. Winds WNW at 5 to 10 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow
Partly Cloudy
Partly Cloudy
23°C
Tomorrow night
Partly Cloudy
Partly Cloudy
9°C
Saturday
Partly Cloudy
Partly Cloudy
22°C
Saturday night
Light Rain
Light Rain
16°C
Sunday
AM Light Rain
AM Light Rain
23°C
Sunday night
Mostly Cloudy
Mostly Cloudy
15°C