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 1:40 AM departure 3 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 AM
Arrives
4:21 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 11:40 PM · Sat, 6/27 2 stops of chance showers and thunderstorms 307 score Your time 12:40 AM 5 rain stops 149 score Selected 1 hr later 1:40 AM 2 rain stops 78 score ★ Best

Stop-by-stop

  1. 12:40 AM · 0 mi in
    Leaving Seattle, Washington
    66° Partly Cloudy 5%
  2. 1:09 AM · 25 mi in
    Near Federal Way, WA
    65° Chance Rain Showers 25%
  3. 1:39 AM · 49 mi in
    Near Fort Lewis-DuPont, WA
    63° Chance Rain Showers 26%
  4. 2:08 AM · 74 mi in
    Near Thurston South, WA
    64° Partly Cloudy 11%
  5. 2:38 AM · 99 mi in
    Near Napavine, WA
    60° Mostly Cloudy 11%
  6. Rest break 15 min 2:40 AM
  7. 3:22 AM · 124 mi in
    Near Longview-Kelso, WA Metropolitan Statistical Area, WA
    60° Slight Chance Rain Showers 21%
  8. 3:51 AM · 148 mi in
    Near Ridgefield, WA
    58° Slight Chance Rain Showers 22%
  9. Sunset 4:04 AM
  10. 4:21 AM · 173 mi in
    Arriving in Portland, Oregon
    59° Chance Rain Showers 32%

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.