Ketchikan weather live forecast

Today's maximum temperature in Ketchikan is expected to be 20°C. Select a day from the live weather forecast for Ketchikan, Alaska, USA for more weather parameters.

Friday
21st Aug
20

15

9

4
Saturday
22nd Aug
16

14

1

3
Sunday
23rd Aug
14

13

0

1
Monday
24th Aug
16

14

0

1
Tuesday
25th Aug
20

13

0

4

5-day weather forecast updated at 04:00 on Friday 21st August 2026 GMT

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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 Friday 21st August 2026

Expect broken clouds in Ketchikan, Alaska with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

20
°C maximum temperature
15
°C minimum temperature
broken clouds
9
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
19
kph wind from NW

Ketchikan weather for Saturday 22nd August 2026

Expect mostly cloudy with light rain in Ketchikan, Alaska with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a gentle breeze of 13 kph from the south.

16
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
3
UV index (Moderate)
37
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
13
kph wind from S

Ketchikan weather for Sunday 23rd August 2026

Expect cloudy with some rain in Ketchikan, Alaska with a maximum temperature of 14°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 97% chance of some rain and a moderate breeze of 22 kph from the south-east.

14
°C maximum temperature
13
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
97
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
22
kph wind from SE

Ketchikan weather for Monday 24th August 2026

Expect cloudy with some rain in Ketchikan, Alaska with a maximum temperature of 16°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 84% chance of some rain and a moderate breeze of 22 kph from the south-east.

16
°C maximum temperature
14
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
84
% chance of some rain
<40
mm of rainfall expected
16
°C wind chill
22
kph wind from SE

Ketchikan weather for Tuesday 25th August 2026

Expect mostly cloudy with light rain in Ketchikan, Alaska with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a light breeze of 12 kph from the east.