Weather Averages for Ketchikan, AK
7-day Forecast / 10-day Forecast
| Saturday |
|
High: 51°F
Low: 43°F |
Light drizzle
|
|
| Sunday |
|
High: 51°F
Low: 41°F |
Overcast
|
|
| Monday |
|
|
High: 45°F
Low: 40°F |
Light drizzle
|
|
| Tuesday |
|
|
High: 47°F
Low: 39°F |
Light rain
|
|
| Wednesday |
|
|
High: 44°F
Low: 41°F |
Light rain
|
|
Average temperature
over 50 years |
°F |
44 |
31 |
34 |
37 |
42 |
48 |
53 |
57 |
57 |
53 |
44 |
37 |
33 |
Average high temperature
over 50 years |
°F |
50 |
35 |
39 |
43 |
49 |
56 |
61 |
64 |
64 |
59 |
50 |
42 |
38 |
Average low temperature
over 50 years |
°F |
38 |
26 |
29 |
31 |
35 |
40 |
46 |
51 |
51 |
47 |
40 |
33 |
29 |
Average precipitation
over 50 years |
in |
149.8 |
14.3 |
12.6 |
11.6 |
10.1 |
7.5 |
5.9 |
5.3 |
9.8 |
14.9 |
23.4 |
17.6 |
16.8 |
Average snowfall
over 50 years |
in |
69.9 |
21.2 |
17.9 |
7.5 |
1.6 |
0.1 |
- |
- |
- |
- |
0.2 |
5.9 |
15.5 |
Average snow cover
over 50 years |
in |
2.0 |
8.0 |
9.0 |
5.0 |
1.0 |
- |
- |
- |
- |
- |
- |
1.0 |
3.0 |
Heating degree days
over 30 years |
days |
7444 |
1023 |
840 |
853 |
690 |
527 |
334 |
223 |
219 |
345 |
598 |
819 |
973 |
Cooling degree days
over 30 years |
days |
20 |
- |
- |
- |
- |
- |
- |
9 |
11 |
- |
- |
- |
- |
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