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Updated Live on: 30/12/2025 11:30 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
mostly clear

Currently 5.0°C, Max: 5.1°C, Min: 1.7°C 5.0°C Warmer 1.5°C than last hour

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Feels like:  5°C

24-hr Difference
0.1°CWarmer 0.1°C than yesterday at this time
Records Today Yesterday
Highs: 5.1°C
01:24
5.2°C
00:00
Lows: 1.7°C
08:41
1.1°C
06:15
 Calm N
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 5.0 at 02:16
Gust Month: 42.7 mph on Dec 5
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.0 mm
December: 121.7 mm
Rain this Year: 783.6 mm
17 rain days this December
Last Rain: 22/12/2025 at 00:35
Today
Mostly Sunny
Mostly Sunny
6°C
Barometer Humidity / Dew Point Moon
Current: 1034.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Rising
High: 1034.0  | Low: 1029.0
Humidity: 81 % Decreased 15% since last hour
Humidex: 3.4°C
Dew Point: 2.0°C Decreased 0.9°C since last hour
Wet Bulb: 3.8°C
Waxing Gibbous
Waxing Gibbous, Moon at 10 days in cycle
79%
Illuminated
UVI Forecast Solar Information
30/12/2025   Low   0.5   
31/12/2025   Low   0.5   
01/01/2026   Low   0.4   
Sunrise is at: 08:08
Solar Noon at: 12:08
Sunset is at: 16:08
Wind Chill Heating Degree Days Sun
Current: 5.0°C
Today: -0.6°C  at 09:11
Yesterday: 0.3°C
Last Week: -2.4°C
Record: -13.3°C   01/03/2018
Today: 6.6
December: 316.5
2025 to Date: 2464.8
Cooling Degree Days
2025 to Date: 65.7
Daylight: 8:00:00
+ 00:00:59
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 08:08
Sunset is at: 16:08
Moonrise is at: 12:24
Moonset is at: 03:21
Cloud Height: 1337 ft
Tue 30 December
High Tide: 0610 4.3
Low Tide: 1235 1.6
High Tide: 1840 4.2
Air Density: 1.292 kg/m3
New Moon: 20 December 2025
Full Moon: 3 January 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 18.0°C
Sys Check: 00:20
Sys Reset: 9 Days 0 Hours 19 Minutes 40 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:
-0.6 at 11:30


Tonight's and Tomorrow's Outlook for the Southampton Area
Tonight
Mostly Clear
Mostly Clear
0°C
Mainly clear. Scattered frost possible. Low near 0C. Winds NNE at 5 to 10 mph.
Tomorrow
Partly Cloudy
Partly Cloudy
5°C
Partly cloudy skies. High near 5C. Winds light and variable.
Short Term Weather Forecast for the Southampton Area
Tomorrow
Partly Cloudy
Partly Cloudy
5°C
Tomorrow night
Mostly Cloudy
Mostly Cloudy
-1°C
Thursday
AM Clouds, PM Sun
AM Clouds, PM Sun
7°C
Thursday night
Partly Cloudy
Partly Cloudy
2°C
Friday
AM Showers
AM Showers
6°C
Friday night
Clear
Clear
-2°C