Ketchikan weather live forecast

Today's maximum temperature in Ketchikan is expected to be 16°C. Select a day from the live weather forecast for Ketchikan, Alaska, USA for more weather parameters.

Monday
17th Aug
16

14

0

2
Tuesday
18th Aug
17

14

5

4
Wednesday
19th Aug
17

14

0

3
Thursday
20th Aug
20

14

1

4
Friday
21st Aug
21

16

5

1

5-day weather forecast updated at 04:01 on Monday 17th August 2026 GMT

More about Ketchikan

Ketchikan by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Alaska

Intrepid Travel discount code: £200 off small group tours

Discount Code

Save EXTRA £200 on select small group tours worldwide
Min spend of £1,500 per person. T&Cs apply
Travel before 30th June 2027 (inclusive)

Show discount code

******011

Redeem Intrepid Travel discount code >>

Expires at 23:59 on Monday 31st Aug 2026 · View all Intrepid Travel offers

The 5-day weather forecast for Alaska (Ketchikan) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Ketchikan weather forecast by day

Below are the detailed weather forecasts for Ketchikan for the next 5 days.

Ketchikan weather for Monday 17th August 2026

Expect overcast with light rain in Ketchikan, Alaska with a maximum temperature of 16°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 89% chance of some rain and a gentle breeze of 13 kph from the south.

16
°C maximum temperature
14
°C minimum temperature
overcast with light rain
0
hours of sunshine
2
UV index (Low)
89
% chance of some rain
<5
mm of rainfall expected
16
°C wind chill
13
kph wind from S

Ketchikan weather for Tuesday 18th August 2026

Expect broken clouds in Ketchikan, Alaska with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

17
°C maximum temperature
14
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from NW

Ketchikan weather for Wednesday 19th August 2026

Expect mostly cloudy with light rain in Ketchikan, Alaska with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 11% chance of some rain and a light breeze of 12 kph from the north-west.

17
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
3
UV index (Moderate)
11
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
12
kph wind from NW

Ketchikan weather for Thursday 20th August 2026

Expect overcast skies in Ketchikan, Alaska with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

20
°C maximum temperature
14
°C minimum temperature
overcast skies
1
hour of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from NW

Ketchikan weather for Friday 21st August 2026

Expect broken clouds in Ketchikan, Alaska with a maximum temperature of 21°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-west.