Monday will be the warmest and sunniest day of the week with temperatures rising up to +21 C in places, and there will be little rain. On Tuesday, though, there will already be more rain but the temperatures will remain in the range between +15 C and +20 C.
The first day of school, Wednesday, September 1, promises to be sunny everywhere except Latgale, and fairly warm with temperatures ranging between +15 C and +19 C.
On Thursday and Friday there will be occasional rains and the temperature will stay within approximately the same range, but on the weekend it will get considerably cooler.