Weather Almanac: Hillsboro, OR 97123

🌱 Growing Season

USDA Zone

8b

Annual extreme lows 15°F to 20°F

Last Spring Frost (36°F)

🌷 Apr 27

View full details

First Fall Frost (36°F)

🍂 Oct 18

View full details

🗓️ Monthly Weather Almanac

❄️ January

❤️ February

☘️ March

🌧️ April

🌷 May

👰 June

🎆 July

🏖️ August

📚 September

🎃 October

🦃 November

🎄 December

📚 Book Recommendations (ads!)

📚 Pacific Northwest Month-by-Month Gardening: What to Do Each Month to Have a Beautiful Garden All Year

📚 Gardening in the Pacific Northwest: The Complete Homeowner's Guide

📚 Growing Vegetables West of the Cascades, 35th Anniversary Edition: The Complete Guide to Organic Gardening

Temperature climatic data from weather station: HILLSBORO (USC00353908)

Precipitation climatic data from weather station: HILLSBORO (USC00353908)

Agricultural climatic data from weather station: HILLSBORO (USC00353908)