Water or Wait

Watering gardens in Portland, Oregon

Water today

It is over a week since any rain reached the roots.

Updated this morning

Has it rained enough in Portland?

Rain soaked properly in 9 days ago, and the ground is still holding some of it.

Portland has had 24.1mm of rain in the last 30 days. That is well above the 15.6mm a normal August brings here, and closer to the wettest on record (78.5mm).

Rain reaching the roots · 14 days
2 SeptToday

Rain in Portland through a normal year

Across a normal year Portland gets about 1283mm of rain, most of it in December (207.4mm) and least in July (10.1mm).

That makes Portland one of the drier places this site covers in the United States in August — 25th of 30, against Tampa at the wet end (191.8mm) and Sacramento at the dry end (1.8mm).

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Average rainfall by month, 1995–2024

What that means for what you grow

Your own garden, not the town average

This page is worked out for Portland as a whole. Your garden has its own soil, its own shade and its own planting, and the front page will use your exact location instead.

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