Today
Overcast
68° / 52°
Rain 20%
SeaTac CONRAC Weather & Rental Planning
7-day forecast, monthly climate normals, and vehicle picks tuned to Seattle-Tacoma conditions.
Current conditions
62°F
Overcast · Humidity 65% · Wind 8 mph
Updated: 9/15/2026, 8:10:09 PM PT · Open-Meteo
7-day forecast
Thu, Sep 17
Overcast
68° / 52°
Rain 20%
Fri, Sep 18
Overcast
68° / 52°
Rain 20%
Sat, Sep 19
Overcast
68° / 52°
Rain 20%
Sun, Sep 20
Overcast
68° / 52°
Rain 20%
Mon, Sep 21
Overcast
68° / 52°
Rain 20%
Tue, Sep 22
Overcast
68° / 52°
Rain 20%
Rental pick
Convertible weather window
Clear, mild days ahead --- a convertible is fine for Puget Sound coastal loops (watch overnight temps).
Suggested class
Convertible
Year-round planning
Monthly climate normals
1991---2020 baseline --- use when planning ski trips, Rainier drives, or summer coastal loops.
Normals table
| Month | Avg high / low (°F) | Precip (in) | Rain days | Snow days |
|---|---|---|---|---|
| January | 47° / 36° | 5.2 | 16 | 1 |
| February | 50° / 37° | 3.8 | 11 | 0 |
| March | 54° / 40° | 3.5 | 11 | 0 |
| April | 59° / 43° | 2.6 | 8 | 0 |
| May | 65° / 48° | 1.8 | 5 | 0 |
| June | 70° / 53° | 1.2 | 4 | 0 |
| July | 76° / 56° | 0.6 | 2 | 0 |
| August | 76° / 56° | 0.7 | 2 | 0 |
| September | 70° / 52° | 1.5 | 5 | 0 |
| October | 60° / 46° | 3.2 | 10 | 0 |
| November | 51° / 40° | 5.5 | 17 | 0 |
| December | 46° / 35° | 5.8 | 17 | 1 |
1991---2020 WMO climate normals · Open-Meteo Climate API
Average monthly highs
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Bar height scaled to 1991---2020 avg high (°F)
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