Spots on the Vining plants

[nbc3mom]

All of my peas, cucumbers and zucchini have light brown spots on the leaves. I noticed them about 3 days ago. There were spots on the pea pods themselves today. I looked for insects but there are none and there are no holes in the leaves. Any idea what this could be?

[feather]

plantvillage.psu.edu/topics/cucumber/infos/diseases_and_pests_description_uses_propagation

After the general description of cucumbers, down the page, there are pictures of all kinds of spots that squash, cucumbers, zucchini leaves can get. See if you can find one that matches what you have.