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Weather in Coos Bay, Oregon for January 2026

Your guide to Coos Bay weather in January - trends and predictions

    Official Weather Alert ⚠️

  • Air Stagnation Advisory - See hour by hour.

    • Temperatures

  • Until now, January 2026 in Coos Bay has been nearly identical to the historical average, with a temperature of 10.8 °F (showing only a slight deviation of -0.4 °F).

  • The forecast for the next days in Coos Bay predicts temperatures to be around 13 °F, close to the historical average.

  • In general, the average temperature in Coos Bay at the beginning of January is 11.1 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 12.9 °F by the end of January.

    • Rain 🌧️

  • Coos Bay experiences moderate rainfall in January, with an average of 8 rainy days and a total precipitation of 261.3 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
23
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
11°/4°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Coos Bay Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate or heavy rain shower
10°
2
Moderate or heavy rain shower
14°
3
Moderate or heavy rain shower
12°
4
Moderate or heavy rain shower
10°
5
Moderate or heavy rain shower
10°
6
Heavy rain at times
11°
7
Sunny
11°
8
Overcast
11°
9
Overcast
15°
10
Moderate or heavy rain shower
10°
11
Overcast
10°
12
Patchy rain possible
9°
13
Partly cloudy
9°
14
Overcast
11°
15
Cloudy
13°
16
Overcast
12°
17
Overcast
10°
18
Sunny
9°
19
Sunny
15°
20
Sunny
12°
21
Overcast
10°
22
Cloudy
12°
23
Weather Alert Sunny
13°
24
Sunny
13°
25
Overcast
12°
26
Overcast
13°
27
Patchy rain possible
13°
28
Moderate rain
12°
29
Moderate rain
12°
30
Patchy rain possible
14°
31
Partly cloudy
14°

Temperatures trend during January in Coos Bay

See the weather trend as well as the moving average line

January weather in Coos Bay day by day

Click on a date for more information
December February
Date Weather Temperatures Rain UV More
Jan. 1 Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /6° 12.8 mm 2
Jan. 2 Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /10° 32.6 mm 2
Jan. 3 Moderate or heavy rain shower
Moderate or heavy rain shower
 12° /8° 50.3 mm 2
Jan. 4 Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /7° 22.5 mm 1
Jan. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /8° 28.4 mm 2
Jan. 6 Heavy rain at times
Heavy rain at times
 11° /7° 20.6 mm 2
Jan. 7 Sunny
Sunny
 11° /6° 29.2 mm 2
Jan. 8 Overcast
Overcast
 11° /6° 4.5 mm 2
Jan. 9 Overcast
Overcast
 15° /7° 0 mm 2
Jan. 10 Moderate or heavy rain shower
Moderate or heavy rain shower
 10° /7° 5 mm 2
Jan. 11 Overcast
Overcast
 10° /6° 0.2 mm 1
Jan. 12 Patchy rain possible
Patchy rain possible
 9° /5° 0.1 mm 1
Jan. 13 Partly cloudy
Partly cloudy
 9° /2° 0 mm 2
Jan. 14 Overcast
Overcast
 11° /4° 0 mm 2
Jan. 15 Cloudy
Cloudy
 13° /3° 0 mm 2
Jan. 16 Overcast
Overcast
 12° /5° 0 mm 1
Jan. 17 Overcast
Overcast
 10° /4° 0 mm 1
Jan. 18 Sunny
Sunny
 9° /0° 0 mm 3
Jan. 19 Sunny
Sunny
 15° /2° 0 mm 2
Jan. 20 Sunny
Sunny
 12° /3° 0 mm 2
Jan. 21 Overcast
Overcast
 10° /3° 0 mm 2
Jan. 22 Cloudy
Cloudy
 12° /3° 0 mm 2
Jan. 23 Sunny
Sunny
 13° /2° 0 mm 0.4
Jan. 24 Sunny
Sunny
 13° /2° 0 mm 0.4
Jan. 25 Overcast
Overcast
 12° /5° 0 mm 0.3
Jan. 26 Overcast
Overcast
 13° /7° 0 mm 0
Jan. 27 Patchy rain possible
Patchy rain possible
 13° /5° 0.3 mm 2
Jan. 28 Moderate rain
Moderate rain
 12° /10° 6.1 mm 3
Jan. 29 Moderate rain
Moderate rain
 12° /9° 5.1 mm 3
Jan. 30 Patchy rain possible
Patchy rain possible
 14° /8° 0.1 mm 3
Jan. 31 Partly cloudy
Partly cloudy
 14° /8° 0 mm 4
Next
Important Notice
Our weather forecast for Coos Bay in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Coos Bay forecast closer to your planned date for the most up-to-date weather information.
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Coos Bay in January - FAQ

What are the expected maximum and minimum temperatures in Coos Bay during January?

Prepare for cooler days with highs just around 11° and colder nights, dipping below 4°.

How much rainfall should be expected in Coos Bay during January?

Significant rainfall exceeding 261.3 mm is expected in Coos Bay during January, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Coos Bay during January?

The average wind speed in Coos Bay during January is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

January rainfall patterns in Coos Bay

Explore the daily rainfall trends and prepare for Coos Bays January weather 💧
Typically, Coos Bay has 8 rainy days in January with a total of 261.3 mm of rainfall.

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Location coordinates Where is Coos Bay?

Get accurate weather forecasts for Coos Bay, located at latitude 43.367 and longitude -124.218. Stay updated with localized weather information tailored for Coos Bay.

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