Weather information for the Grays Harbor area is provided below. Average temperatures, climate details and current forecasts are included.
| Jan | Feb | Mar | Apr | May | Jun | Jul | ong> ="center">AugSep | Oct | Nov | Dec | ||
| Avg. High | 46 | 50 | 52 | 56 | 60 | 64 | 68 | 68 | 68 | 61 | 51 | 46 |
| Avg. Low | 34 | 36 | 37 | 40 | 44 | 48 | 52 | 54 | 48 | 44 | 38 | 35 |
| Avg. Precip. | 9.0 | 5.8 |



