Weather in Olympia, Washington for January 2026
Until now, January 2026 in Olympia has been nearly identical to the historical average, with a temperature of 7.8 °F (showing only a slight deviation of 0.5 °F).
The forecast for the upcoming days in Olympia predicts a temperature of 9.7 °F, which is slightly above the historical average.
In general, the average temperature in Olympia at the beginning of January is 7.4 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 9.1 °F by the end of January.
Olympia experiences moderate rainfall in January, with an average of 9 rainy days and a total precipitation of 72.3 mm.
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Olympia Weather January
Temperatures trend during January in Olympia
January weather in Olympia day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Patchy rain possible | 6° /2° | 6.7 mm | 2 | |
| Jan. 2 |  Moderate or heavy rain shower | 7° /3° | 12.4 mm | 1 | |
| Jan. 3 | Moderate or heavy rain shower | 9° /5° | 19.7 mm | 1 | |
| Jan. 4 | Moderate or heavy rain shower | 8° /5° | 5.6 mm | 1 | |
| Jan. 5 | Patchy rain possible | 8° /5° | 1.8 mm | 1 | |
| Jan. 6 |  Overcast | 8° /3° | 29.8 mm | 1 | |
| Jan. 7 |  Partly cloudy | 6° /2° | 19.2 mm | 2 | |
| Jan. 8 |  Cloudy | 7° /2° | 2.3 mm | 1 | |
| Jan. 9 | Overcast | 8° /3° | 0 mm | 1 | |
| Jan. 10 | Moderate or heavy rain shower | 9° /4° | 4.4 mm | 1 | |
| Jan. 11 | Overcast | 8° /5° | 13.6 mm | 1 | |
| Jan. 12 | Patchy rain possible | 8° /5° | 0.1 mm | 1 | |
| Jan. 13 | Overcast | 6° /3° | 0 mm | 1 | |
| Jan. 14 | Overcast | 5° /2° | 0 mm | 1 | |
| Jan. 15 | Overcast | 7° /3° | 0 mm | 1 | |
| Jan. 16 | Overcast | 8° /2° | 0 mm | 1 | |
| Jan. 17 |  Sunny | 9° /3° | 0 mm | 0.2 | |
| Jan. 18 | Sunny | 11° /2° | 0 mm | 0.2 | |
| Jan. 19 | Sunny | 10° /1° | 0 mm | 0 | |
| Jan. 20 | Sunny | 10° /1° | 0 mm | 2 | |
| Jan. 21 |  Mist | 9° /1° | 0 mm | 1 | |
| Jan. 22 | Patchy rain possible | 9° /3° | 0.3 mm | 2 | |
| Jan. 23 | Patchy rain possible | 7° /1° | 0.4 mm | 1 | |
| Jan. 24 | Patchy rain possible | 9° /5° | 1.7 mm | 2 | |
| Jan. 25 | Patchy rain possible | 8° /4° | 3.1 mm | 2 | |
| Jan. 26 | Patchy rain possible | 9° /6° | 0.5 mm | 2 | |
| Jan. 27 | Patchy rain possible | 9° /7° | 1.8 mm | 2 | |
| Jan. 28 | Partly cloudy | 13° /8° | 0 mm | 3 | |
| Jan. 29 | Patchy rain possible | 13° /7° | 3.3 mm | 2 | |
| Jan. 30 | Overcast | 4° /1° | 1.2 mm | 1 | |
| Jan. 31 |  Moderate rain | 8° /4° | 13.2 mm | 2 | |
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Olympia in January - FAQ
What are the expected maximum and minimum temperatures in Olympia during January?
How much rainfall should be expected in Olympia during January?
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January rainfall patterns in Olympia
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