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 later. The 2:04 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
1:04 AM
Arrives
4:45 AM

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 12:04 AM 1 stop of chance showers and thunderstorms 226 score Your time 1:04 AM 4 rain stops 126 score Selected 1 hr later 2:04 AM 2 rain stops 77 score ★ Best

Stop-by-stop

  1. 1:04 AM · 0 mi in
    Leaving Seattle, Washington
    66° Partly Cloudy 5%
  2. 1:33 AM · 25 mi in
    Near Federal Way, WA
    64° Slight Chance Rain Showers 24%
  3. 2:03 AM · 49 mi in
    Near Fort Lewis-DuPont, WA
    63° Chance Rain Showers 26%
  4. 2:32 AM · 74 mi in
    Near Thurston South, WA
    63° Partly Cloudy 5%
  5. 3:02 AM · 99 mi in
    Near Napavine, WA
    60° Mostly Cloudy 11%
  6. Rest break 15 min 3:04 AM
  7. 3:46 AM · 124 mi in
    Near Longview-Kelso, WA Metropolitan Statistical Area, WA
    57° Partly Cloudy 12%
  8. Sunset 4:05 AM
  9. 4:15 AM · 148 mi in
    Near Ridgefield, WA
    58° Slight Chance Rain Showers 22%
  10. 4:45 AM · 173 mi in
    Arriving in Portland, Oregon
    58° Chance Rain Showers 30%

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.