England

Grendon Underwood Rain Forecast

Buckinghamshire — Precipitation & Rainfall

Grendon Underwood Rain Outlook

The rain outlook in Grendon Underwood today points to prolonged rainfall expected, heavy at times at times today.

The 14-day rain signal for Grendon Underwood is dominated by persistent and at times heavy rainfall, with few dry interludes for much of the period. Localised variations in rainfall totals are likely, especially across higher ground.

Current & Today

Now

Precipitation0.06 mm
Humidity88%
Cloud Cover50%

Today

Total Rain6.44 mm
Rain Chance93%
Snow Chance0%
Snow Total0.0 cm

Today’s Hourly Rain Chance

14-Day Precipitation

Thu
4 Jun
93%
6.44 mm
0% snow
Fri
5 Jun
73%
0.50 mm
0% snow
Sat
6 Jun
93%
5.36 mm
0% snow
Sun
7 Jun
73%
0.16 mm
0% snow
Mon
8 Jun
92%
5.64 mm
0% snow
Tue
9 Jun
73%
0.63 mm
0% snow
Wed
10 Jun
88%
1.70 mm
0% snow
Thu
11 Jun
73%
0.16 mm
0% snow
Fri
12 Jun
73%
0.20 mm
0% snow
Sat
13 Jun
80%
2.75 mm
0% snow
Sun
14 Jun
92%
4.22 mm
0% snow
Mon
15 Jun
73%
0.14 mm
0% snow
Tue
16 Jun
73%
0.85 mm
0% snow
Wed
17 Jun
98%
7.08 mm
0% snow

Rain Charts

For Grendon Underwood, the forecast is best read as a combination of short-range detail and broader regime. The first few days carry the highest timing confidence, while later periods describe direction and pattern.

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 Grendon Underwood today?

Rain risk in Grendon Underwood today is around 93%. Timing can vary locally, especially with showers and passing fronts.

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

The 14-day rain outlook for Grendon Underwood 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 Grendon Underwood?

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 Grendon Underwood?

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 Grendon Underwood 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.