Weather Description Temp. Wind Average Gusts Rain RH Pressure; 1 AM: Light rain shower : 59Â°
The highest monthly average temperature in Hyattsville for July is 77 degrees. The lowest monthly average temperature in Hyattsville for January is 36 degrees. The most monthly precipitation in Hyattsville occurs in January with 0 inches. The air quality index in Hyattsville is 1% better than the national average. The pollution index in Hyattsville is 8% worse than the national average. Find Real Estate Listings In Hyattsville
1 Overnight temperatures are generally warm with an average low of 20.2 Â°C (68.4 Â°F). 2  In September the range/ variation of daily average temperatures is 6.5 Â°C (11.7 Â°F).  The weather in September is very slightly soggy with occasional rain. Around 179.8mm (7.1in) of H2O accrues across an average of 13 days.