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Updated Live on: 15/09/2025 03:45 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
partly cloudy

Currently 11.9°C, Max: 13.0°C, Min: 11.6°C 11.9°C  

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Feels like:  11°C

24-hr Difference
4.5°CWarmer 4.5°C than yesterday at this time
Records Today Yesterday
Highs: 13.0°C
00:08
15.3°C
14:02
Lows: 11.6°C
03:09
5.6°C
06:49
 Wind from SSE SSE
9.3

Gusting: 5.7 mph
2 Bft - Gentle Breeze
Max Today: 17.8 at 02:37
Gust Month: 23.1 mph on Sep 3
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 5.7 mm
September: 93.5 mm
Rain this Year: 453.2 mm
12 rain days this September
Last Rain: 14/09/2025 at 20:44
Today
Light Rain, Wind
Light Rain, Wind
18°C
Barometer Humidity / Dew Point Moon
Current: 1003.0 mb Falling 1 °C/hr
1-Hour Trend: Falling
3-Hour Trend: Falling
High: 1005.0  | Low: 1003.0
Humidity: 95 % Decreased 1% since last hour
Humidex: 13.7°C
Dew Point: 11.1°C Decreased 0.2°C since last hour
Wet Bulb: 11.5°C
Waning Crescent
Waning Crescent, Moon at 22 days in cycle
43%
Illuminated
UVI Forecast Solar Information
15/09/2025   Medium   3.7   
16/09/2025   Medium   3.8   
17/09/2025   Medium   4.3   
Sunrise is at: 06:41
Solar Noon at: 13:00
Sunset is at: 19:19
Wind Chill Heating Degree Days Sun
Current: 11.0°C
Today: 9.2°C  at 03:27
Yesterday: 5.6°C
Last Week: 7.4°C
Record: -13.3°C   01/03/2018
Today: 0.8
September: 64.0
2025 to Date: 1577.2
Cooling Degree Days
2025 to Date: 65.7
Daylight: 12:38:00
-00:03:48
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:41
Sunset is at: 19:19
Moonrise is at: 23:59
Moonset is at: 16:42
Cloud Height: 425 ft
Mon 15 September
High Tide: 0503 4.1
Low Tide: 1104 1.9
High Tide: 1732 4.0
Low Tide: 2355 1.9
Air Density: 1.220 kg/m3
New Moon: 23 August 2025
Full Moon: 7 September 2025
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 19.3°C
Sys Check: 00:20
Sys Reset: 6 Days 16 Hours 17 Minutes 43 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:
-1.8 at 03:45


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Mostly Clear
Mostly Clear
12°C
Mainly clear. Low 12C. Winds W at 15 to 25 mph.
Tomorrow
Mostly Cloudy
Mostly Cloudy
19°C
A mix of clouds and sun in the morning followed by cloudy skies during the afternoon. High 19C. Winds W at 10 to 20 mph.
Short Term Weather Forecast for the Southampton Area
Tomorrow
Mostly Cloudy
Mostly Cloudy
19°C
Tomorrow night
Rain
Rain
14°C
Wednesday
Few Showers, Wind
Few Showers, Wind
19°C
Wednesday night
Drizzle
Drizzle
16°C
Thursday
Showers
Showers
19°C
Thursday night
Cloudy
Cloudy
15°C