Tampico, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tampico, a community in Yakima County, Washington.
Tonight
55°F
Mostly Clear
Mostly clear. Low around 55, with temperatures rising to around 57 overnight. West wind 3 to 8 mph.
7-day forecast for Tampico
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Mostly Clear | 3 to 8 mph W | 0% |
| Saturday | 76°F | Sunny | 3 to 9 mph NE | 0% |
| Saturday Night | 56°F | Mostly Clear | 2 to 6 mph SW | 0% |
| Sunday | 77°F | Sunny | 2 to 9 mph SE | 0% |
| Sunday Night | 57°F | Mostly Clear | 2 to 8 mph W | 0% |
| Monday | 79°F | Sunny | 3 to 7 mph NE | 0% |
| Monday Night | 54°F | Partly Cloudy | 6 to 10 mph NW | 0% |
| Tuesday | 75°F | Mostly Sunny | 5 to 9 mph N | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 7 to 13 mph NW | 0% |
| Wednesday | 70°F | Mostly Sunny | 5 to 9 mph SE | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 7 mph W | 1% |
| Thursday | 71°F | Mostly Sunny | 1 to 9 mph SE | 5% |
| Thursday Night | 53°F | Mostly Cloudy | 3 to 8 mph W | 5% |
| Friday | 67°F | Mostly Sunny | 3 to 14 mph W | 7% |
Forecast source: National Weather Service (api.weather.gov) for Tampico (46.532, -120.875). Updated through the day.
Growing snapshot for Tampico
Last spring frost
Apr 8
First fall frost
Oct 23
Growing season
196 days
Hardiness zone
7a
More local growing data for Tampico: nearby ZIP 98903 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Yakima #2, Wa (18.1 mi from Tampico). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.