Easterly winds should bring warm air from Russia, but the chance of showers and thunderstorms will increase for the next few days.
Temperatures could go up to 25 C on Tuesday and even higher on Wednesday, although sporadic rainfall could be experienced in most places.
Estonia will be on the edge of a low pressure area moving over from Ukraine towards Scandinavia and a high pressure front hovering over Russia for most of the week, keeping temperatures around 12 C during nights and 20 to 25 C during daytime.
Eastern parts of the country should see higher temperatures (23-27 C on Wednesday) and less rain.
A high pressure area from the direction of Germany is expected to arrive in Estonia on Thursday or Friday, bringing cooler temperatures and a higher chance of rain.