Click on a day for an hourly weather forecast
The temperatures in Harlow in October are quite cold with temperatures between 9°C and 15°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Harlow during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Harlow in October 2025.
If you’re planning to visit Harlow in the near future, we highly recommend that you review the 14 day weather forecast for Harlow before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 7 | 20 | 4 | 65 mm | Awful | Harlow in January |
| February | 8° / 2° | 8 | 15 | 5 | 62 mm | Awful | Harlow in February |
| March | 11° / 4° | 5 | 24 | 2 | 52 mm | Bad | Harlow in March |
| April | 14° / 5° | 4 | 25 | 1 | 44 mm | Good | Harlow in April |
| May | 17° / 8° | 4 | 27 | 0 | 62 mm | Good | Harlow in May |
| June | 20° / 11° | 5 | 25 | 0 | 88 mm | Good | Harlow in June |
| July | 22° / 13° | 5 | 26 | 0 | 74 mm | Good | Harlow in July |
| August | 22° / 14° | 4 | 27 | 0 | 70 mm | Good | Harlow in August |
| September | 19° / 12° | 3 | 27 | 0 | 45 mm | Good | Harlow in September |
| October | 15° / 9° | 6 | 25 | 0 | 66 mm | Good | Harlow in October |
| November | 10° / 6° | 6 | 24 | 0 | 59 mm | Ok | Harlow in November |
| December | 7° / 3° | 8 | 20 | 3 | 74 mm | Awful | Harlow in December |