Road Trip Planner

Weather on the road.

See the weather you'll actually drive into — not the weather at the moment you leave. Enter a US start and destination; we'll sample the forecast along your route.

Try leaving 1 hr earlier. The 11:40 AM departure 2 fewer rain stops along the way.

Trip summary

Route
Seattle, Washington → Portland, Oregon
Distance
173 mi
Drive time
3 hr 26 min + 15 min stopped
Departing
12:40 PM
Arrives
4:21 PM

Stops are sampled at even drive-time intervals. Each shows the NWS hourly forecast at that location for your estimated arrival hour. Adjust your departure by leaving later or earlier — forecasts shift accordingly.

Departure options

Same route, different start. Lower score = smoother driving weather.

1 hr earlier 11:40 AM Mostly Cloudy 26 score ★ Best Your time 12:40 PM 2 rain stops 71 score Selected 1 hr later 1:40 PM 2 rain stops 76 score

Stop-by-stop

  1. 12:40 PM · 0 mi in
    Leaving Seattle, Washington
    55° Mostly Cloudy 3%
  2. 1:09 PM · 25 mi in
    Near Federal Way, WA
    52° Mostly Cloudy 1%
  3. 1:38 PM · 49 mi in
    Near Fort Lewis-DuPont, WA
    53° Partly Sunny 1%
  4. 2:08 PM · 74 mi in
    Near Thurston South, WA
    51° Mostly Cloudy 3%
  5. 2:37 PM · 99 mi in
    Near Napavine, WA
    52° Mostly Cloudy 5%
  6. Rest break 15 min 2:40 PM
  7. 3:22 PM · 124 mi in
    Near Longview-Kelso, WA Metropolitan Statistical Area, WA
    54° Mostly Cloudy 8%
  8. 3:51 PM · 148 mi in
    Near Ridgefield, WA
    56° Slight Chance Rain Showers 18%
  9. 4:21 PM · 173 mi in
    Arriving in Portland, Oregon
    57° Slight Chance Rain Showers 19%

Powered by OpenStreetMap routing (OSRM) and the National Weather Service. Drive times are estimates and don't account for traffic, weather slowdowns, or stops. Hourly forecasts beyond ~7 days are interpolated and less reliable.