Weather for 99171 — Saint John, WA
Conditions and forecast for the exact centre of ZIP code 99171 (47.075, -117.573), not a nearby airport.
46°
Partly cloudy
- Feels like:
- 42°
- Humidity:
- 57%
- Wind:
- 8 mph
- Dew point:
- 32°
Source updated: 2:59:05 PM · WeatherSignal checked: 2:59:05 PM
Next 12 hours in 99171
3 PM
48°
0%
4 PM
55°
0%
5 PM
61°
0%
6 PM
67°
0%
7 PM
71°
0%
8 PM
73°
0%
9 PM
74°
0%
10 PM
75°
0%
11 PM
74°
0%
12 AM
71°
0%
1 AM
65°
0%
2 AM
61°
0%
7 day forecast for 99171
Today
75° / 46°
0% rain · 9 mph wind
Saturday, Oct 17
71° / 53°
0% rain · 16 mph wind
Sunday, Oct 18
63° / 40°
0% rain · 14 mph wind
Monday, Oct 19
60° / 46°
0% rain · 7 mph wind
Tuesday, Oct 20
57° / 45°
0% rain · 3 mph wind
Wednesday, Oct 21
60° / 40°
0% rain · 4 mph wind
Thursday, Oct 22
64° / 46°
0% rain · 8 mph wind
About ZIP code 99171
99171 covers Saint John in Washington. Forecasts on this page are generated for the coordinates at the centre of the ZIP code, so small differences from a nearby city forecast are expected and usually correct.
Closest cities with full forecast pages: Spokane (41 mi), Bellevue (219 mi), Kent (219 mi), Everett (225 mi).
Nearby ZIP codes
Severe weather warnings are issued by the National Weather Service for counties and polygons that may not line up with ZIP code boundaries. Always follow official warnings for your exact address.
Planning your week in Saint John 99171, Washington
- The warmest afternoon ahead is today, reaching about 75°F.
- The coldest night ahead dips to about 40°F.
- This is a dry stretch — most days show rain chances under 20%, good for outdoor plans.
- The breeziest day looks like tomorrow, with sustained wind near 16 mph.
Common questions about Saint John 99171, Washington weather
- How accurate is the Saint John 99171, Washington forecast?
- The next 48 hours are usually reliable on temperature and sky cover, with timing that can shift by an hour or two. Days three and four are dependable for the overall pattern. Beyond that, treat the numbers as a planning direction rather than a promise — we label confidence on every day so you can judge for yourself.
- What is the best day this week in Saint John 99171, Washington?
- No day in the current outlook has a rain chance above 40%, so conditions look favorable for outdoor plans across the week.
- Where does this forecast come from?
- Forecast values come from national weather model data, and official warnings come from the National Weather Service. We show the source and the last-updated time on every page, and we never invent a number the source did not publish — missing measurements are hidden, not guessed.
- How often is this page updated?
- The forecast refreshes whenever the source model publishes new data, typically several times a day. The freshness note near the top of the page shows exactly when the numbers you are looking at were issued.
More weather for Saint John 99171, Washington
- Current weather in Saint John 99171, Washington
- Saint John 99171, Washington hourly forecast
- Saint John 99171, Washington weather tomorrow
- Saint John 99171, Washington weekend weather
- Saint John 99171, Washington weather radar
- Saint John 99171, Washington severe weather alerts
- Best time to go outside in Saint John 99171, Washington
- What happened overnight in Saint John 99171, Washington
- How accurate is the Saint John 99171, Washington forecast?
- Saint John 99171, Washington monthly weather averages
Weather in nearby cities
- Spokane, WA weather · about 41 miles away
- Bellevue, WA weather · about 219 miles away
- Kent, WA weather · about 219 miles away
- Everett, WA weather · about 225 miles away
- Seattle, WA weather · about 226 miles away
- Tacoma, WA weather · about 229 miles away