Precipitation and average temperature in Washington so far this month are above normal. According to the National Weather Service, in this first 10 days of April the average temperature has been observed at 48.2 degrees, above the normal 46.9 degree mark. Precipitation is also higher than normal. Just over one inch is normal, but Washington has received 1.63 inches of April showers. More rain and a high chance of thunderstorms are in the forecast for Washington later this week. Listen to KCII for weather updates.