Weather Tomorrow for ZIP 20774
Upper Marlboro, MD · View full Upper Marlboro forecast
Saturday, September 12, 2026
Thunderstorms
Precip chance
86%
Wind
1-9 mph
Humidity
85%
Feels like
81–70°F
Rain forecast
Rain likely starts around 6 PM and may continue until 3 AM. Peak chance: 86% around 12 AM.
Data source: National Weather Service (NOAA) · Updated just now
Tomorrow by Hour
68°Temperature trend83°
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 4 AM☽ | 70°F | Mostly Cloudy | 6% | 2 mph SE | ||
| 5 AM☽ | 69°F | Mostly Cloudy | 12% | 1 mph E | ||
| 6 AM☽ | 69°F | Slight Chance Rain Showers | 18% | 1 mph E | ||
| 7 AM☽ | 69°F | Slight Chance Rain Showers | 15% | 1 mph E | ||
| 8 AM☽ | 69°F | Mostly Cloudy | 13% | 2 mph E | ||
| 9 AM☽ | 69°F | Mostly Cloudy | 12% | 2 mph E | ||
| 10 AM | 68°F | Slight Chance Rain Showers | 16% | 3 mph E | ||
| 11 AM | 68°F | Chance Rain Showers | 27% | 3 mph E | ||
| 12 PM | 70°F | Chance Rain Showers | 37% | 5 mph E | ||
| 1 PM | 72°F | Chance Rain Showers | 27% | 6 mph E | ||
| 2 PM | 75°F | Chance Rain Showers | 37% | 7 mph SE | ||
| 3 PM | 77°F | Slight Chance Showers And Thunderstorms | 16% | 8 mph SE | ||
| 4 PM | 79°F | Mostly Cloudy | 13% | 9 mph SE | ||
| 5 PM | 81°F | Slight Chance Showers And Thunderstorms | 17% | 9 mph SE | ||
| 6 PM | 81°F | Showers And Thunderstorms Likely | 62% | 9 mph SE | ||
| 7 PM | 81°F | Chance Showers And Thunderstorms | 52% | 9 mph SE | ||
| 8 PM | 83°F | Showers And Thunderstorms Likely | 56% | 9 mph SE | ||
| 9 PM | 81°F | Chance Showers And Thunderstorms | 42% | 8 mph SE | ||
| 10 PM☽ | 80°F | Chance Showers And Thunderstorms | 31% | 7 mph SE | ||
| 11 PM☽ | 79°F | Showers And Thunderstorms Likely | 69% | 7 mph SE | ||
| 12 AM☽ | 77°F | Showers And Thunderstorms | 86% | 6 mph SE | ||
| 1 AM☽ | 75°F | Showers And Thunderstorms | 86% | 5 mph SE | ||
| 2 AM☽ | 74°F | Showers And Thunderstorms | 86% | 5 mph SE | ||
| 3 AM☽ | 73°F | Showers And Thunderstorms | 86% | 3 mph S | ||
Precipitation Timeline
100%
50%
86%
4a10a4p10p
<20%20-50%50-70%>70%
What to Wear Tomorrow
Hot — wear breathable, light clothing
Clothing
- • Light t-shirt or tank top
- • Shorts or light skirt
- • Hat for sun protection
Footwear
Sandals or breathable sneakers
Accessories
- • Umbrella
- • Sunscreen
Conditions
High: 83°F
Low: 68°F
Wind: 1-9 mph
Rain: 86%
Rain expected around 6 PM — carry an umbrella.
Best Time to Be Outside Tomorrow
10 AM – 11 AM
Excellent conditions for outdoor activities (comfortable temp, light wind, daylight)
4a10a4p10p