Archived Clear Sky Chart Images
for Portland, (OR)

A Sponsored Feature

Each day lists the local time, hh:mm in 24h time, that is the starting hour of a past clear sky chart. Each clear sky chart forecasts a few days into the future. There are at least two clear sky chart updates per day. So there are multiple overlapping forecasts for each day.

April
Mon	Tue	Wed	Thu	Fri	Sat	Sun
				12 03:00 10:00	13 03:00 15:00 +2 charts from previous days	14 03:00 15:00 +4 charts from previous days
15 03:00 15:00 +6 charts from previous days	16 03:00 15:00 +8 charts from previous days	17 03:00 15:00 +10 charts from previous days	18 03:00 15:00 +12 charts from previous days	19 03:00 09:00 09:00 21:00 +14 charts from previous days	20 09:00 22:00 +16 charts from previous days	21 15:00 21:00 +16 charts from previous days
22 15:00 21:00 +16 charts from previous days	23 15:00 21:00 +16 charts from previous days	24 09:00 21:00 +16 charts from previous days	25 +16 charts from previous days

Instead of the last few past clear sky chart images, some people prefer long-term averages of forecasts. See the Forecast History/Climate page.