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.

Tuesday
18th Aug
16

13

4

3
Wednesday
19th Aug
17

12

0

5
Thursday
20th Aug
20

14

5

4
Friday
21st Aug
19

15

5

3
Saturday
22nd Aug
16

14

1

2

5-day weather forecast updated at 04:01 on Tuesday 18th 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 Tuesday 18th August 2026

Expect mostly cloudy with light rain in Ketchikan, Alaska with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 5% chance of some rain and a gentle breeze of 15 kph from the north-west.

16
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
3
UV index (Moderate)
5
% chance of some rain
<2
mm of rainfall expected
16
°C wind chill
15
kph wind from NW

Ketchikan weather for Wednesday 19th August 2026

Expect overcast skies in Ketchikan, Alaska with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.

17
°C maximum temperature
12
°C minimum temperature
overcast skies
0
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from NW

Ketchikan weather for Thursday 20th August 2026

Expect broken clouds in Ketchikan, Alaska with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-west.

20
°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
17
kph wind from NW

Ketchikan weather for Friday 21st August 2026

Expect broken clouds in Ketchikan, Alaska with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.

19
°C maximum temperature
15
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
15
kph wind from NW

Ketchikan weather for Saturday 22nd August 2026

Expect broken clouds in Ketchikan, Alaska with a maximum temperature of 16°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.