Ketchikan weather live forecast

Today's maximum temperature in Ketchikan is expected to be 14°C. Select a day from the live weather forecast for Ketchikan, Alaska, USA for more weather parameters.

Friday
18th Sep
14

12

0

0
Saturday
19th Sep
13

13

0

1
Sunday
20th Sep
14

12

4

2
Monday
21st Sep
12

11

2

2
Tuesday
22nd Sep
11

10

3

1

5-day weather forecast updated at 04:01 on Friday 18th September 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 18th September 2026

Expect mostly cloudy with light rain in Ketchikan, Alaska with a maximum temperature of 14°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 92% chance of some rain and a gentle breeze of 18 kph from the south-east.

14
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
92
% chance of some rain
<5
mm of rainfall expected
14
°C wind chill
18
kph wind from SE

Ketchikan weather for Saturday 19th September 2026

Expect cloudy with some rain in Ketchikan, Alaska with a maximum temperature of 13°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 100% chance of some rain and a fresh breeze of 30 kph from the south-east.

13
°C maximum temperature
13
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
100
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
30
kph wind from SE

Ketchikan weather for Sunday 20th September 2026

Expect mostly cloudy with rain in Ketchikan, Alaska with a maximum temperature of 14°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 30-40 mm of rainfall expected with 99% chance of some rain and a fresh breeze of 30 kph from the south.

14
°C maximum temperature
12
°C minimum temperature
mostly cloudy with rain
4
hours of sunshine
2
UV index (Low)
99
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
30
kph wind from S

Ketchikan weather for Monday 21st September 2026

Expect mostly cloudy with rain in Ketchikan, Alaska with a maximum temperature of 12°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 97% chance of some rain and a gentle breeze of 16 kph from the south-east.

12
°C maximum temperature
11
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
2
UV index (Low)
97
% chance of some rain
<20
mm of rainfall expected
12
°C wind chill
16
kph wind from SE

Ketchikan weather for Tuesday 22nd September 2026

Expect mostly cloudy with rain in Ketchikan, Alaska with a maximum temperature of 11°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 93% chance of some rain and a moderate breeze of 20 kph from the south-east.