I usually direct sow, but seldom do that before 1st week in June.

If you seed them indoors, plant outdoors as soon as the 1st true leaves develop then figure out a way to temporarily protect them -- rig a "greenhouse" of sorts.

Last year I planted bush cucumbers from seed in mid June. They produced lots of juicy cucumbers. You should be able to start from seed outdoors around now.

Yeah, I live in Seattle and the rain this spring is pretty heavy!

I planted cuke & squash seeds outdoors last weekend. I don't consider that to be late planting at all. As you can see, planting heat-loving veggies early here can easily lead to failure.

I like the English type cukes...this year I planted varieties "Chelsea Prize" (Renee's Garden...12"-15") and Burpee's "Tasty Green Hybrid" (10"...probably not really an English type).