Hillingdon Heath, Thursday, 8 October, 02:11
Clear sky. Feels like 5°C. High 13°C, low 7°C.
The month ahead in Hillingdon Heath: daytime temperatures averaging +15.1° and +8.8° overnight — that is 0.7° above the climate average for October. Rain is expected on 5 days (around 17 mm), against a normal of 5 days and 33 mm. The warmest day should be 13 October (+17.9°), the coolest 23 October (+4.9°).
| Period | Forecast (day) | Average | Difference |
|---|---|---|---|
| 8 October – 17 October | +16° | +14.8° | +1.2° |
| 18 October – 27 October | +13.6° | +13.6° | +0.1° |
| 28 October – 6 November | near average | +12.1° | — |
Climate averages and records are calculated from the nearest reference point — Hayes (2.7 km away).
Hillingdon Heath, Friday, 9 October
Rain. High 16°C, low 8°C.
Hillingdon Heath, Saturday, 10 October
Partly cloudy. High 15°C, low 9°C.
Hillingdon Heath, Sunday, 11 October
Partly cloudy. High 15°C, low 7°C.
Hillingdon Heath, Monday, 12 October
Overcast. High 17°C, low 7°C.
Hillingdon Heath, Tuesday, 13 October
Light rain. High 18°C, low 12°C.
Hillingdon Heath, Wednesday, 14 October
Overcast. High 18°C, low 10°C.
Hillingdon Heath, Thursday, 15 October
Light rain. High 18°C, low 10°C.
Hillingdon Heath, Friday, 16 October
Overcast. High 16°C, low 9°C.
Hillingdon Heath, Saturday, 17 October
Light rain. High 15°C, low 11°C.
Hillingdon Heath, Sunday, 18 October
Overcast. High 12°C, low 7°C.
Hillingdon Heath, Monday, 19 October
Rain. High 15°C, low 10°C.
Hillingdon Heath, Tuesday, 20 October
Light rain. High 17°C, low 13°C.
Hillingdon Heath, Wednesday, 21 October
Light rain. High 16°C, low 9°C.
Hillingdon Heath, Thursday, 22 October
Light rain. High 11°C, low 7°C.
Hillingdon Heath, Friday, 23 October
Clear sky. High 10°C, low 5°C.
Hillingdon Heath, Saturday, 24 October
Climate average for this date — the mean of the last 60 years.
Hillingdon Heath, Sunday, 25 October
Climate average for this date — the mean of the last 60 years.
Hillingdon Heath, Monday, 26 October
Climate average for this date — the mean of the last 60 years.
Hillingdon Heath, Tuesday, 27 October
Climate average for this date — the mean of the last 60 years.
Hillingdon Heath, Wednesday, 28 October
Climate average for this date — the mean of the last 60 years.
Hillingdon Heath, Thursday, 29 October
Climate average for this date — the mean of the last 60 years.
Hillingdon Heath, Friday, 30 October
Climate average for this date — the mean of the last 60 years.
Hillingdon Heath, Saturday, 31 October
Climate average for this date — the mean of the last 60 years.
Hillingdon Heath, Sunday, 1 November
Climate average for this date — the mean of the last 60 years.
Hillingdon Heath, Monday, 2 November
Climate average for this date — the mean of the last 60 years.
Hillingdon Heath, Tuesday, 3 November
Climate average for this date — the mean of the last 60 years.
Hillingdon Heath, Wednesday, 4 November
Climate average for this date — the mean of the last 60 years.
Hillingdon Heath, Thursday, 5 November
Climate average for this date — the mean of the last 60 years.
Hillingdon Heath, Friday, 6 November
Climate average for this date — the mean of the last 60 years.
The first 16 days come from weather models — highly reliable for the first 3–5 days, gradually less so after that. Days 17 to 30 for Hillingdon Heath are built from climate averages over the last 60 years, so they show typical weather for those dates rather than a specific forecast.
We compare the forecast with the climate average for exactly the same calendar days, calculated from 60 years of observations. The difference shows how the coming month compares with a typical one.
These are real historical extremes recorded in Hillingdon Heath since 1960: the highest and lowest temperature for each calendar date, with the year it happened.
The forecast portion refreshes every hour. The climate portion is based on long-term data and stays stable.