Ketchikan weather live forecast

Today's maximum temperature in Ketchikan is expected to be 10°C. Select a day from the live weather forecast for Ketchikan, Alaska, USA for more weather parameters.

Friday
15th May
10

7

6

4
Saturday
16th May
12

6

14

4
Sunday
17th May
11

6

3

4
Monday
18th May
10

8

2

1
Tuesday
19th May
10

7

3

4

5-day weather forecast updated at 04:01 on Friday 15th May 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 15th May 2026

Expect mostly cloudy with light rain in Ketchikan, Alaska with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 66% chance of some rain and a light breeze of 12 kph from the south-east.

10
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
6
hours of sunshine
4
UV index (Moderate)
66
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
12
kph wind from SE

Ketchikan weather for Saturday 16th May 2026

Expect scattered clouds in Ketchikan, Alaska with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

12
°C maximum temperature
6
°C minimum temperature
scattered clouds
14
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from SW

Ketchikan weather for Sunday 17th May 2026

Expect mostly cloudy with light rain in Ketchikan, Alaska with a maximum temperature of 11°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 71% chance of some rain and a gentle breeze of 17 kph from the south-east.

11
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
4
UV index (Moderate)
71
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
17
kph wind from SE

Ketchikan weather for Monday 18th May 2026

Expect mostly cloudy with rain in Ketchikan, Alaska with a maximum temperature of 10°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a gentle breeze of 16 kph from the south-east.

10
°C maximum temperature
8
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
1
UV index (Low)
84
% chance of some rain
<20
mm of rainfall expected
7
°C wind chill
16
kph wind from SE

Ketchikan weather for Tuesday 19th May 2026

Expect mostly cloudy with light rain in Ketchikan, Alaska with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a gentle breeze of 13 kph from the north-west.