In the Republic 

In the daytime of August 8 no precipitation is predicted. In the evening of August 9-12, on 10-13 in separate regions short-term rain with thunderstorm is predicted, hail is possible. 

Southwest wind speed is 2-5 m/s, during thunderstorm the wind speed may reach up to 17-20 m/s. In the evening of August 8-13 in Armavir, in the foothills of Kotayk and Aragatsotn provinces the wind speed may reach up to 15-18 m/s.

At the night and in the evening of August 9–11, the air temperature will gradually decrease by 4-6 degrees.

In Yerevan

In the daytime of August 8 no precipitation is predicted. In the evening of August 9, at night and in the evening of 10-12, at night of 13 in separate parts of the city short-term rain with thunderstorm is possible. In the evenings and during thunderstorm the wind speed may reach up to 14-18 m/s. 

"Hydrometeorology and monitoring center" SNCO of ME of RA