The Grotto Weather Forecast
- 59
- 63
Rain Showers
- 64
- 80
Chance Rain Showers
- 60
- 77
Rain Showers Likely
- 53
- 75
Chance Rain Showers
- 57
- 75
Partly Sunny
- 59
- 80
Mostly Sunny
Today 28 May District of Columbia
Showers in the Morning, then Showers with isolated Thunderstorms in the afternoon. Locally heavy rainfall possible in the morning. Highs in the lower 60s. East Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.
Tonight 28 May District of Columbia
Cloudy. Numerous Showers in the evening. Patchy fog. Lows in the upper 50s. East Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 60 percent.
The Grotto Temperature Statistics
May Temperature
Washington/Reagan National Airport, DC (3.1 miles)
Lowest 10 May, 2025
49.6 °FAverage May
68 °FHighest 16 May, 2025
87.7 °F
Climate (2020–Present)
Washington/Reagan National Airport, DC (3.1 miles)
Average Low 2020–2025
52.7 °FAverage 2020–2025
60.5 °FAverage High 2020–2025
69.2 °F