Tacoma

Tacoma / Puyallup · Zone 8b · South Sound lowland. Similar to Kent but slightly more exposed to marine air.

Data through May 9, 2026

GDD₃₂ YTD
1880.7
Soil Temp
59.9°F
Chill Hours
1475
Precip YTD
18.5"
Frost Nights
19
Spray Days
52

Season Progress

Cumulative GDD₃₂ year to date. Other stations shown faded for regional context.

Season vs. History

As of May 9, 2026, Tacoma has accumulated 1880.7 GDD₃₂, which is 20% ahead of the 2020–2025 average of 1567.3 for this date. This season is tracking closest to 2025.

Cumulative GDD₃₂ by day of year. Current season (bold) against 2020–2025 individual years (faded) and their average (dashed).

Soil Temperature

Daily soil temperature at 2-inch depth. Bands: below 40°F (too cold), 40-50°F (cool-season), above 50°F (warm-season activation).

Frost Events

Every night the temperature dropped below 32°F. Color indicates severity: light (28-32°F), moderate (24-28°F), hard (<24°F).

Light (28-32°F) Moderate (24-28°F) Hard (<24°F)

Precipitation

Daily rainfall (bars) and cumulative total (bold line) for Tacoma. Other stations shown faded.

Chill Hours

Cumulative hours below 45°F since January 1. Dashed lines show common fruit tree thresholds.

Dew Point & Disease Risk

Daily average dew point. Watch zone: 50-55°F. Active disease risk above 55°F.

Water Balance

Cumulative precipitation (solid) vs. evapotranspiration (dashed) for Tacoma. When ET crosses above precipitation, start irrigating.

Sunshine Hours

7-day rolling average of daily sunshine. Other stations faded for comparison.

Monthly Summary

Month Low High Precip Frost Spray GDD₃₂ Sun hrs
Jan 24° 59.4° 5.76" 10 13 309.3 138.2
Feb 27.3° 58° 4.84" 6 7 309.4 157.9
Mar 31.4° 58.9° 6.12" 3 9 411.1 174.1
Apr 33.9° 76.4° 1.78" 0 17 594.2 252.6
May 47.3° 79.9° 0" 0 6 256.7 89.9

Other Stations

Issaquah 1983.6 GDD₃₂ · 21.56" precip Kent 1972.1 GDD₃₂ · 16.6" precip Seattle 1953.9 GDD₃₂ · 14.87" precip Olympia 1913.4 GDD₃₂ · 18.97" precip Bellingham 1863 GDD₃₂ · 19.44" precip Sequim 1800.9 GDD₃₂ · 13.57" precip

Data from the HortGuide station network via Open-Meteo. Your microclimate varies. Updated daily.