West Harwich Weather Forecast

Today 18 Oct
- 48
- 60
Mostly Sunny
Sun 19 Oct
- 54
- 64
Chance Rain Showers
Mon 20 Oct
- 53
- 64
Rain Showers
Tue 21 Oct
- 52
- 64
Rain Showers Likely
Wed 22 Oct
- 49
- 65
Rain Showers Likely
Thu 23 Oct
- 46
- 61
Chance Rain Showers
Fri 24 Oct
- 46
- 60
Chance Rain Showers

Today 18 Oct
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 5 am
7. 6 am
8. 7 am
9. 8 am
10. 9 am
11. 10 am
12. 11 am
13. 12 pm
14. 1 pm
15. 2 pm
16. 3 pm
17. 4 pm
18. 5 pm
19. 6 pm
20. 7 pm
21. 8 pm
22. 9 pm
23. 10 pm
24. 11 pm
Sun 19 Oct
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 5 am
7. 6 am
8. 7 am
9. 8 am
10. 9 am
11. 10 am
12. 11 am
13. 12 pm
14. 1 pm
15. 2 pm
16. 3 pm
17. 4 pm
18. 5 pm
19. 6 pm
20. 7 pm
21. 8 pm
22. 9 pm
23. 10 pm
24. 11 pm
Mon 20 Oct
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 5 am
7. 6 am
8. 7 am
9. 8 am
10. 11 am
11. 2 pm
12. 5 pm
13. 8 pm
14. 11 pm
Tue 21 Oct
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
Wed 22 Oct
1. 2 am
2. 8 am
3. 2 pm
4. 8 pm
Thu 23 Oct
1. 2 am
2. 8 am
3. 2 pm
4. 8 pm
Fri 24 Oct
1. 2 am
2. 8 am
3. 2 pm
4. 8 pm

Today 18 Oct Barnstable

Sunny. Near steady temperature in the upper 50s. North Winds 5 to 10 Mph.

Tonight 18 Oct Barnstable

Mostly clear. Lows around 50. Southeast Winds around 5 Mph, becoming south around 5 Mph after midnight.

West Harwich Temperature Statistics

October Temperature

Chatham, Chatham Municipal Airport (6.2 miles)

Lowest 21 January, 2025
15.9 °F
Average 2025
54.3 °F
Highest 25 June, 2025
90.6 °F
Lowest 13 September, 2025
46.9 °F
Average September
65 °F
Highest 6 September, 2025
79 °F
Lowest 10 October, 2025
39 °F
Average October
58 °F
Highest 5 October, 2025
77 °F

Climate (2020–Present)

Chatham, Chatham Municipal Airport (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

Average Low 2020–2025
47.7 °F
Average 2020–2025
54 °F
Average High 2020–2025
60.1 °F

Get WillyWeather+ to remove ads

West Harwich Weather Forecast

Today 18 Oct Barnstable

Tonight 18 Oct Barnstable

Sun 19 Oct Barnstable

Sun 19 Oct Barnstable

Mon 20 Oct Barnstable

Mon 20 Oct Barnstable

Tue 21 Oct Barnstable

Tue 21 Oct Barnstable

Wed 22 Oct Barnstable

Wed 22 Oct Barnstable

Thu 23 Oct Barnstable

Thu 23 Oct Barnstable

Fri 24 Oct Barnstable

Fri 24 Oct Barnstable

Temperature Forecast NOAA

Temperature Real-Time

Boston Radar

National Satellite

National Synoptic

West Harwich Temperature Statistics

October Temperature

Chatham, Chatham Municipal Airport (6.2 miles)

Lowest 21 January, 2025

Average 2025

Highest 25 June, 2025

Lowest 13 September, 2025

Average September

Highest 6 September, 2025

Lowest 10 October, 2025

Average October

Highest 5 October, 2025

Climate (2020–Present)

Chatham, Chatham Municipal Airport (6.2 miles)

Average Low 2020–2025

Average 2020–2025

Average High 2020–2025