England

Coolham Rain Forecast

West Sussex — Precipitation & Rainfall

Coolham Rain Outlook

In Coolham today, precipitation is the key feature, with outbreaks of rain affecting most areas at some point expected.

Looking ahead over the next 14 days, the rain outlook for Coolham suggests frequent showers and little opportunity for prolonged dry periods. Mist and low cloud are possible at lower rainfall rates, especially over high ground.

Current & Today

Now

Precipitation0.23 mm
Humidity82%
Cloud Cover50%

Today

Total Rain6.99 mm
Rain Chance91%
Snow Chance0%
Snow Total0.0 cm

Today’s Hourly Rain Chance

14-Day Precipitation

Thu
4 Jun
91%
6.99 mm
0% snow
Fri
5 Jun
73%
0.11 mm
0% snow
Sat
6 Jun
94%
11.13 mm
0% snow
Sun
7 Jun
6%
0.02 mm
0% snow
Mon
8 Jun
79%
2.91 mm
0% snow
Tue
9 Jun
73%
0.27 mm
0% snow
Wed
10 Jun
73%
0.11 mm
0% snow
Thu
11 Jun
73%
0.12 mm
0% snow
Fri
12 Jun
9%
0.01 mm
0% snow
Sat
13 Jun
85%
1.52 mm
0% snow
Sun
14 Jun
87%
1.93 mm
0% snow
Mon
15 Jun
5%
0.03 mm
0% snow
Tue
16 Jun
73%
0.61 mm
0% snow
Wed
17 Jun
97%
6.78 mm
0% snow

Rain Charts

When forecasts change between updates, it is commonly driven by small shifts in storm track or blocking position. The links below give stable context that helps you read those changes.

How to interpret confidence

For how forecast reliability changes with lead time, see Forecast Confidence. For transparency on how WeatherEngland sources and updates data, see Methodology.

Background guides

Glossary support

Start with the Weather Glossary. Useful terms for this page include Weather Front, Cold Front, Warm Front, Occluded Front, Relative Humidity, and Dew Point.

FAQ

Will it rain in Coolham today?

Rain risk in Coolham today is around 91%. Timing can vary locally, especially with showers and passing fronts.

What is the chance of rain in Coolham over the next 14 days?

The 14-day rain outlook for Coolham shows day-by-day rain chances and an overall wet/dry signal. Use the first few days for detail and the later period for broader risk.

What does ‘chance of rain’ mean for Coolham?

It’s the likelihood of measurable precipitation at some point — it does not mean it will rain continuously or everywhere in the area.

When is rain timing most reliable in Coolham?

Timing is usually most reliable in the next 24–72 hours. Beyond that, use the outlook to understand overall risk rather than exact hours.

Does the rain forecast for Coolham include showers and drizzle?

Yes — the precipitation outlook covers all measurable precipitation types. Light drizzle can be harder to pin down precisely than organised rain bands.