The rains we had last week were a blessing and a curse. A blessing because the rain came at an opportune time for the berry crop here on the farm. The berries will take up that moisture and size up nicely. The potatoes also appreciated the water and will use it to size up. At the community garden that nearly 4" of rain was a bit much. It allows me to see where we need more French drains, a project for next winter.
Several years ago I lost my entire tomato crop to late blight. The yellow leaves you see on the bottoms of your tomatoes are early blight, a different disease. Now to prevent late blight and to protect my tomatoes I prophylactically spray copper sulfate and you may do so also. I'll spray 3 times total, about 10-14 days apart depending on the weather. If you spray copper, don't overdo it. A light mist to wet the leaves without runoff is all it takes. Too much copper is hard on the soil so be careful. You'll find premixed copper at the garden centers.
Bean beetles are a problem for some of you. The soap sprays will kill the soft bodied larva, you may not think the bugs are dead as the mouth part will stay attached to the leaves. Or if you want, pyrethrum and spinosad are two products that will also kill just about any insect pest you run into. Spray only in the evening when the pollinators are not active...don't kill the bees!