Extended 10-day forecasts, Harpenden
Hourly detail for the next 48 hours, six-hourly segments for the rest of the week.
This is the 10-day extended forecast for Harpenden, the United Kingdom. The forecast is updated every three hours and displays the temperature, weather conditions, wind direction and speed, as well as the chance of precipitation.
Check out our September climate page to see if the current temperatures in Harpenden is typical for this time of year.
Today · Friday 4 Sep
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 01:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 93% | SW 6 m/s (12 knots) |
| 02:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 94% | SW 7 m/s (14 knots) |
| 03:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 92% | SW 7 m/s (14 knots) |
| 04:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 93% | SW 7 m/s (14 knots) |
| 05:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 91% | SW 8 m/s (16 knots) |
| 06:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 90% | SW 8 m/s (16 knots) |
| 07:00 |
Light rain
|
19°C (66°F) | 0.2 mm (0.01 in) | 88% | SW 8 m/s (16 knots) |
| 08:00 |
Rain
|
19°C (66°F) | 0.6 mm (0.02 in) | 88% | SW 9 m/s (17 knots) |
| 09:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 93% | W 7 m/s (14 knots) |
| 10:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 82% | W 6 m/s (12 knots) |
| 11:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 71% | W 7 m/s (14 knots) |
| 12:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 73% | W 6 m/s (12 knots) |
| 13:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 70% | W 6 m/s (12 knots) |
| 14:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 68% | W 6 m/s (12 knots) |
| 15:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 67% | W 6 m/s (12 knots) |
| 16:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 66% | W 7 m/s (14 knots) |
| 17:00 |
Cloudy
|
17°C (63°F) | 0 mm (0 in) | 65% | W 6 m/s (12 knots) |
| 18:00 |
Cloudy
|
17°C (63°F) | 0 mm (0 in) | 69% | W 5 m/s (10 knots) |
| 19:00 |
Clear skies
|
16°C (61°F) | 0 mm (0 in) | 72% | W 5 m/s (10 knots) |
| 20:00 |
Clear skies
|
15°C (59°F) | 0 mm (0 in) | 77% | W 5 m/s (10 knots) |
| 21:00 |
Clear skies
|
15°C (59°F) | 0 mm (0 in) | 79% | W 5 m/s (10 knots) |
| 22:00 |
Clear skies
|
14°C (57°F) | 0 mm (0 in) | 81% | W 4 m/s (8 knots) |
| 23:00 |
Clear skies
|
14°C (57°F) | 0 mm (0 in) | 82% | W 4 m/s (8 knots) |
01:00
Cloudy
93% · SW 6 m/s (12 knots)
18°C (64°F)
0 mm (0 in)
02:00
Cloudy
94% · SW 7 m/s (14 knots)
18°C (64°F)
0 mm (0 in)
03:00
Cloudy
92% · SW 7 m/s (14 knots)
18°C (64°F)
0 mm (0 in)
04:00
Cloudy
93% · SW 7 m/s (14 knots)
18°C (64°F)
0 mm (0 in)
05:00
Cloudy
91% · SW 8 m/s (16 knots)
18°C (64°F)
0 mm (0 in)
06:00
Cloudy
90% · SW 8 m/s (16 knots)
18°C (64°F)
0 mm (0 in)
07:00
Light rain
88% · SW 8 m/s (16 knots)
19°C (66°F)
0.2 mm (0.01 in)
08:00
Rain
88% · SW 9 m/s (17 knots)
19°C (66°F)
0.6 mm (0.02 in)
09:00
Cloudy
93% · W 7 m/s (14 knots)
18°C (64°F)
0 mm (0 in)
10:00
Cloudy
82% · W 6 m/s (12 knots)
18°C (64°F)
0 mm (0 in)
11:00
Cloudy
71% · W 7 m/s (14 knots)
18°C (64°F)
0 mm (0 in)
12:00
Cloudy
73% · W 6 m/s (12 knots)
18°C (64°F)
0 mm (0 in)
13:00
Cloudy
70% · W 6 m/s (12 knots)
18°C (64°F)
0 mm (0 in)
14:00
Cloudy
68% · W 6 m/s (12 knots)
18°C (64°F)
0 mm (0 in)
15:00
Cloudy
67% · W 6 m/s (12 knots)
18°C (64°F)
0 mm (0 in)
16:00
Cloudy
66% · W 7 m/s (14 knots)
18°C (64°F)
0 mm (0 in)
17:00
Cloudy
65% · W 6 m/s (12 knots)
17°C (63°F)
0 mm (0 in)
18:00
Cloudy
69% · W 5 m/s (10 knots)
17°C (63°F)
0 mm (0 in)
19:00
Clear skies
72% · W 5 m/s (10 knots)
16°C (61°F)
0 mm (0 in)
20:00
Clear skies
77% · W 5 m/s (10 knots)
15°C (59°F)
0 mm (0 in)
21:00
Clear skies
79% · W 5 m/s (10 knots)
15°C (59°F)
0 mm (0 in)
22:00
Clear skies
81% · W 4 m/s (8 knots)
14°C (57°F)
0 mm (0 in)
23:00
Clear skies
82% · W 4 m/s (8 knots)
14°C (57°F)
0 mm (0 in)
Tomorrow · Saturday 5 Sep
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 00:00 |
Clear skies
|
13°C (55°F) | 0 mm (0 in) | 84% | W 5 m/s (10 knots) |
| 01:00 |
Clear skies
|
13°C (55°F) | 0 mm (0 in) | 85% | W 5 m/s (10 knots) |
| 02:00 |
Partly cloudy
|
13°C (55°F) | 0 mm (0 in) | 86% | W 5 m/s (10 knots) |
| 03:00 |
Partly cloudy
|
13°C (55°F) | 0 mm (0 in) | 87% | W 4 m/s (8 knots) |
| 04:00 |
Partly cloudy
|
12°C (54°F) | 0 mm (0 in) | 88% | W 4 m/s (8 knots) |
| 05:00 |
Partly cloudy
|
12°C (54°F) | 0 mm (0 in) | 89% | W 4 m/s (8 knots) |
| 06:00 |
Partly cloudy
|
12°C (54°F) | 0 mm (0 in) | 90% | W 4 m/s (8 knots) |
| 07:00 |
Partly cloudy
|
12°C (54°F) | 0 mm (0 in) | 89% | W 4 m/s (8 knots) |
| 08:00 |
Mostly sunny
|
13°C (55°F) | 0 mm (0 in) | 84% | W 4 m/s (8 knots) |
| 09:00 |
Mostly sunny
|
15°C (59°F) | 0 mm (0 in) | 78% | W 4 m/s (8 knots) |
| 10:00 |
Mostly sunny
|
16°C (61°F) | 0 mm (0 in) | 69% | W 4 m/s (8 knots) |
| 11:00 |
Clear skies
|
18°C (64°F) | 0 mm (0 in) | 62% | W 4 m/s (8 knots) |
| 12:00 |
Mostly sunny
|
19°C (66°F) | 0 mm (0 in) | 55% | W 4 m/s (8 knots) |
| 13:00 |
Partly cloudy
|
20°C (68°F) | 0 mm (0 in) | 50% | W 4 m/s (8 knots) |
| 14:00 |
Partly cloudy
|
20°C (68°F) | 0 mm (0 in) | 47% | W 4 m/s (8 knots) |
| 15:00 |
Partly cloudy
|
21°C (70°F) | 0 mm (0 in) | 43% | W 4 m/s (8 knots) |
| 16:00 |
Mostly sunny
|
21°C (70°F) | 0 mm (0 in) | 41% | W 4 m/s (8 knots) |
| 17:00 |
Mostly sunny
|
21°C (70°F) | 0 mm (0 in) | 43% | W 3 m/s (6 knots) |
| 18:00 |
Mostly sunny
|
20°C (68°F) | 0 mm (0 in) | 46% | W 3 m/s (6 knots) |
| 19:00 |
Mostly sunny
|
19°C (66°F) | 0 mm (0 in) | 55% | SW 3 m/s (6 knots) |
| 20:00 |
Clear skies
|
17°C (63°F) | 0 mm (0 in) | 65% | SW 3 m/s (6 knots) |
| 21:00 |
Clear skies
|
16°C (61°F) | 0 mm (0 in) | 71% | W 3 m/s (6 knots) |
| 22:00 |
Mostly clear
|
15°C (59°F) | 0 mm (0 in) | 76% | W 2 m/s (4 knots) |
| 23:00 |
Clear skies
|
14°C (57°F) | 0 mm (0 in) | 77% | W 2 m/s (4 knots) |
00:00
Clear skies
84% · W 5 m/s (10 knots)
13°C (55°F)
0 mm (0 in)
01:00
Clear skies
85% · W 5 m/s (10 knots)
13°C (55°F)
0 mm (0 in)
02:00
Partly cloudy
86% · W 5 m/s (10 knots)
13°C (55°F)
0 mm (0 in)
03:00
Partly cloudy
87% · W 4 m/s (8 knots)
13°C (55°F)
0 mm (0 in)
04:00
Partly cloudy
88% · W 4 m/s (8 knots)
12°C (54°F)
0 mm (0 in)
05:00
Partly cloudy
89% · W 4 m/s (8 knots)
12°C (54°F)
0 mm (0 in)
06:00
Partly cloudy
90% · W 4 m/s (8 knots)
12°C (54°F)
0 mm (0 in)
07:00
Partly cloudy
89% · W 4 m/s (8 knots)
12°C (54°F)
0 mm (0 in)
08:00
Mostly sunny
84% · W 4 m/s (8 knots)
13°C (55°F)
0 mm (0 in)
09:00
Mostly sunny
78% · W 4 m/s (8 knots)
15°C (59°F)
0 mm (0 in)
10:00
Mostly sunny
69% · W 4 m/s (8 knots)
16°C (61°F)
0 mm (0 in)
11:00
Clear skies
62% · W 4 m/s (8 knots)
18°C (64°F)
0 mm (0 in)
12:00
Mostly sunny
55% · W 4 m/s (8 knots)
19°C (66°F)
0 mm (0 in)
13:00
Partly cloudy
50% · W 4 m/s (8 knots)
20°C (68°F)
0 mm (0 in)
14:00
Partly cloudy
47% · W 4 m/s (8 knots)
20°C (68°F)
0 mm (0 in)
15:00
Partly cloudy
43% · W 4 m/s (8 knots)
21°C (70°F)
0 mm (0 in)
16:00
Mostly sunny
41% · W 4 m/s (8 knots)
21°C (70°F)
0 mm (0 in)
17:00
Mostly sunny
43% · W 3 m/s (6 knots)
21°C (70°F)
0 mm (0 in)
18:00
Mostly sunny
46% · W 3 m/s (6 knots)
20°C (68°F)
0 mm (0 in)
19:00
Mostly sunny
55% · SW 3 m/s (6 knots)
19°C (66°F)
0 mm (0 in)
20:00
Clear skies
65% · SW 3 m/s (6 knots)
17°C (63°F)
0 mm (0 in)
21:00
Clear skies
71% · W 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
22:00
Mostly clear
76% · W 2 m/s (4 knots)
15°C (59°F)
0 mm (0 in)
23:00
Clear skies
77% · W 2 m/s (4 knots)
14°C (57°F)
0 mm (0 in)
Next 7 days
Six-hour segments
Day
Night
01:00
Morning
07:00
Afternoon
13:00
Evening
19:00
Sunday
6 Sep
13°C (55°F)
0 mm (0 in)
Partly cloudy
81% · W 2 m/s (4 knots)
13°C (55°F)
0 mm (0 in)
Partly cloudy
84% · SE 2 m/s (4 knots)
22°C (72°F)
0 mm (0 in)
Partly cloudy
51% · S 4 m/s (8 knots)
21°C (70°F)
0 mm (0 in)
Cloudy
53% · S 4 m/s (8 knots)
Sun
6 Sep
night
13°C (55°F)
0 mm (0 in)
Partly cloudy
81%
2 m/s (4 knots)
morning
13°C (55°F)
0 mm (0 in)
Partly cloudy
84%
2 m/s (4 knots)
afternoon
22°C (72°F)
0 mm (0 in)
Partly cloudy
51%
4 m/s (8 knots)
evening
21°C (70°F)
0 mm (0 in)
Cloudy
53%
4 m/s (8 knots)
Monday
7 Sep
17°C (63°F)
0 mm (0 in)
Clear skies
79% · SW 4 m/s (8 knots)
16°C (61°F)
0.3 mm (0.01 in)
Cloudy
93% · W 3 m/s (6 knots)
20°C (68°F)
0 mm (0 in)
Cloudy
66% · W 5 m/s (10 knots)
19°C (66°F)
0 mm (0 in)
Cloudy
58% · W 4 m/s (8 knots)
Mon
7 Sep
night
17°C (63°F)
0 mm (0 in)
Clear skies
79%
4 m/s (8 knots)
morning
16°C (61°F)
0.3 mm (0.01 in)
Cloudy
93%
3 m/s (6 knots)
afternoon
20°C (68°F)
0 mm (0 in)
Cloudy
66%
5 m/s (10 knots)
evening
19°C (66°F)
0 mm (0 in)
Cloudy
58%
4 m/s (8 knots)
Tuesday
8 Sep
15°C (59°F)
1.4 mm (0.1 in)
Rain showers
75% · W 4 m/s (8 knots)
14°C (57°F)
1.6 mm (0.1 in)
Rain
95% · SW 4 m/s (8 knots)
16°C (61°F)
6.2 mm (0.2 in)
Heavy rain
89% · SW 6 m/s (12 knots)
17°C (63°F)
1 mm (0.04 in)
Rain
97% · SW 8 m/s (16 knots)
Tue
8 Sep
night
15°C (59°F)
1.4 mm (0.1 in)
Rain showers
75%
4 m/s (8 knots)
morning
14°C (57°F)
1.6 mm (0.1 in)
Rain
95%
4 m/s (8 knots)
afternoon
16°C (61°F)
6.2 mm (0.2 in)
Heavy rain
89%
6 m/s (12 knots)
evening
17°C (63°F)
1 mm (0.04 in)
Rain
97%
8 m/s (16 knots)
Wednesday
9 Sep
17°C (63°F)
6.8 mm (0.3 in)
Heavy rain
99% · SW 6 m/s (12 knots)
15°C (59°F)
7 mm (0.3 in)
Heavy rain
97% · W 5 m/s (10 knots)
13°C (55°F)
0.2 mm (0.01 in)
Partly cloudy
76% · NW 6 m/s (12 knots)
15°C (59°F)
0 mm (0 in)
Clear skies
63% · NW 5 m/s (10 knots)
Wed
9 Sep
night
17°C (63°F)
6.8 mm (0.3 in)
Heavy rain
99%
6 m/s (12 knots)
morning
15°C (59°F)
7 mm (0.3 in)
Heavy rain
97%
5 m/s (10 knots)
afternoon
13°C (55°F)
0.2 mm (0.01 in)
Partly cloudy
76%
6 m/s (12 knots)
evening
15°C (59°F)
0 mm (0 in)
Clear skies
63%
5 m/s (10 knots)
Thursday
10 Sep
11°C (52°F)
0 mm (0 in)
Clear skies
88% · W 4 m/s (8 knots)
9°C (48°F)
0 mm (0 in)
Cloudy
94% · W 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
Cloudy
54% · W 4 m/s (8 knots)
14°C (57°F)
0 mm (0 in)
Cloudy
64% · NW 2 m/s (4 knots)
Thu
10 Sep
night
11°C (52°F)
0 mm (0 in)
Clear skies
88%
4 m/s (8 knots)
morning
9°C (48°F)
0 mm (0 in)
Cloudy
94%
3 m/s (6 knots)
afternoon
16°C (61°F)
0 mm (0 in)
Cloudy
54%
4 m/s (8 knots)
evening
14°C (57°F)
0 mm (0 in)
Cloudy
64%
2 m/s (4 knots)
Friday
11 Sep
10°C (50°F)
0 mm (0 in)
Mostly clear
83% · NW 2 m/s (4 knots)
8°C (46°F)
0 mm (0 in)
Clear skies
94% · NW 3 m/s (6 knots)
16°C (61°F)
0 mm (0 in)
Cloudy
58% · NW 3 m/s (6 knots)
15°C (59°F)
0.1 mm (0 in)
Cloudy
67% · W 1 m/s (2 knots)
Fri
11 Sep
night
10°C (50°F)
0 mm (0 in)
Mostly clear
83%
2 m/s (4 knots)
morning
8°C (46°F)
0 mm (0 in)
Clear skies
94%
3 m/s (6 knots)
afternoon
16°C (61°F)
0 mm (0 in)
Cloudy
58%
3 m/s (6 knots)
evening
15°C (59°F)
0.1 mm (0 in)
Cloudy
67%
1 m/s (2 knots)
Saturday
12 Sep
12°C (54°F)
1.9 mm (0.1 in)
Rain
79% · SW 3 m/s (6 knots)
12°C (54°F)
1.7 mm (0.1 in)
Rain
95% · S 5 m/s (10 knots)
18°C (64°F)
0.5 mm (0.02 in)
Light rain showers
77% · SW 5 m/s (10 knots)
18°C (64°F)
0 mm (0 in)
Mostly clear
75% · W 5 m/s (10 knots)
Sat
12 Sep
night
12°C (54°F)
1.9 mm (0.1 in)
Rain
79%
3 m/s (6 knots)
morning
12°C (54°F)
1.7 mm (0.1 in)
Rain
95%
5 m/s (10 knots)
afternoon
18°C (64°F)
0.5 mm (0.02 in)
Light rain showers
77%
5 m/s (10 knots)
evening
18°C (64°F)
0 mm (0 in)
Mostly clear
75%
5 m/s (10 knots)
Data from MET Norway.
Prefer the quick-glance version? See the 10-day summary.
Harpenden weather by month
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