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Updated Live on: 18/03/2026 18:50 - 
Summary / Temperature Wind Rain / Melted Snow Outlook
Clear

Currently 12.4°C, Max: 17.0°C, Min: 6.9°C 12.4°C Colder 1.6°C than last hour

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Feels like:  12°C

24-hr Difference
2.1°CWarmer 2.1°C than yesterday at this time
Records Today Yesterday
Highs: 17.0°C
14:17
14.4°C
13:16
Lows: 6.9°C
05:11
8.5°C
23:20
 Calm NNW
0.0

Gusting: 0.0 mph
0 Bft - Calm
Max Today: 11.7 at 11:10
Gust Month: 39.6 mph on Mar 12
Rain Today: 0.0 mm
Rate (mm/hr): 0.0 mm
Yesterday: 0.1 mm
March: 30.2 mm
Rain this Year: 391.0 mm
11 rain days this March
Last Rain: 17/03/2026 at 02:25
Tonight
Clear
Clear
5°C
Barometer Humidity / Dew Point Moon
Current: 1022.0 mb  
1-Hour Trend: Steady
3-Hour Trend: Rising rapidly
High: 1022.0  | Low: 1015.0
Humidity: 43 % Increased 4% since last hour
Humidex: 10.3°C
Dew Point: 0.2°C Decreased 0.1°C since last hour
Wet Bulb: 7.3°C
New Moon
New Moon, Moon at 29 days in cycle
0%
Illuminated
UVI Forecast Solar Information
18/03/2026   Low   2.5   
19/03/2026   Low   2.6   
20/03/2026   Low   2.4   
Sunrise is at: 06:12
Solar Noon at: 12:13
Sunset is at: 18:15
Wind Chill Heating Degree Days Sun
Current: 12.4°C
Today: 6.6°C  at 05:22
Yesterday: 5.6°C
Last Week: 0.1°C
Record: -13.3°C   01/03/2018
Today: 6.8
March: 170.3
2026 to Date: 872.2
Cooling Degree Days
2026 to Date: 0.0
Daylight: 12:03:00
+ 00:03:53
Almanac Outside Now Station All Time Records Fire Risk
Sunrise is at: 06:12
Sunset is at: 18:15
Moonrise is at: 06:00
Moonset is at: 17:44
Cloud Height: 5150 ft
Wed 18 March
Low Tide: 0357 1.1
High Tide: 1002 4.6
Low Tide: 1615 0.8
High Tide: 2223 4.7
Air Density: 1.244 kg/m3
New Moon: 17 February 2026
Full Moon: 3 March 2026
Server Data
Sys Version: 10.37R-(b79)
Free Memory: 1049MB
Server Temp: 18.9°C
Sys Check: 00:20
Sys Reset: 3 Days 7 Hours 19 Minutes 14 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:
26.4 at 18:50


Tomorrow's and Tomorrow night's Outlook for the Southampton Area
Tomorrow
Sunny
Sunny
18°C
Mainly sunny. High 18C. Winds ENE at 5 to 10 mph.
Tomorrow night
Partly Cloudy
Partly Cloudy
3°C
Partly cloudy skies. Low 3C. Winds light and variable.
Short Term Weather Forecast for the Southampton Area
Tomorrow night
Partly Cloudy
Partly Cloudy
3°C
Friday
Partly Cloudy
Partly Cloudy
17°C
Friday night
Partly Cloudy
Partly Cloudy
4°C
Saturday
Sunny
Sunny
16°C
Saturday night
Mostly Clear
Mostly Clear
3°C
Sunday
Partly Cloudy
Partly Cloudy
15°C