Annandale, VA — Trick-or-treaters in Annandale can expect a warm and pleasant Halloween evening, perfect for costumes and outdoor activities. Temperatures are set to reach a high near 80 degrees in the afternoon, dipping gradually into the upper 60s by 9 p.m. This mild weather makes for an ideal setting for families heading out for Halloween festivities.
According to the National Weather Service, temperatures will hold steady through the early evening, reaching 79°F at 5 p.m. before slowly declining to 67°F by 9 p.m. With no rain in the forecast, families can enjoy the holiday without concerns about unexpected showers or strong winds.
Looking beyond Halloween night, the weather in Annandale will shift as the weekend approaches. Friday will see a slight dip, with highs around 75°F and a 20% chance of light showers in the morning. Temperatures will then fall into the mid-40s by Friday night, offering a crisp, autumnal feel. Saturday brings clearer skies and cooler temperatures, with highs around 62°F, making it perfect for outdoor weekend plans.
Sunday will follow with mostly sunny skies and a high near 64°F, gradually cooling off into the upper 40s by nighttime. This trend of cooler, fall weather will continue into the start of next week, with highs in the mid-60s on Monday and lows in the 50s.
