Bethany is usually a decent fishery - if size isn't a big thing for you. This time of year the fishing is really slow - but I've had some surprisingly good days out there in the winter and early spring fishing streamers and nymphs. A black or olive colored woolly worm or woolly bugger, or an olive colored damsel fly nymph - both around size 10 or 8 fished slloooooooooooooooowly has been killer. If you're not a fly fisher, get a couple of the small tear drop shaped casting bobbers and fish the flies on a 24 inch 4lb leader. When I say slow I mean *sloooow* - if the fly moves more than a couple feet a minute, you're fishing too fast in weather like this. As the air and water temps warm a bit, gently increase the retrieve rate until it's 'normal'. When the sun shines and the water level drops and starts to clear (relative to the normal clarity of that pond) I start fishing attractor pattern dries with a small micro-bugger dropper in black. I'll also start fishing 3" senkos either wacky or texas rigged for the bass, or a 3" tube fished on a long straight shanked hook, with no weight, hook through the body with just the eye snugged up to the end of the tube. This is actually fairly weedless in rigging, but doesn't interfere with hooking. The tube is a slow sinking bait that I twitch, or fish on the surface walk-the-dog style around the edges of the pads.
By summer the lake is so chocked full of weeds that fishing is tough - and weedless surface presentations are about all that I fish.