Following are some common vegetable, and the minimum soil temperature at which you can plant.
chart of optimum soil temperatures
This chart shows at what temperatures you can plant various common vegetables, and a "practical" temperature at which you can expect reasonably good germination, if not perfect.
Right now, as I type this, our soil temperature, at least aveeage for this region, is between 15-20. I dont think I will be planting anything directly outside for quite awhile.
If you want to get an exact reading on your soil, a soil thermometer can give you a reading.
Seems to be a meat thermometer will do a good enough job And I already have one of those.
Chicken update. she seems to be fine.
WEATHER:cold, cold cold! Sunny and minus 3 this morning. We are due to get another big storm tomorrow, with windchills in the double negative.