Weather Tomorrow for ZIP 02601
Hyannis, MA · View full Hyannis forecast
Flood WatchUntil Sep 12, 7:30 PM
Flood Watch issued September 12 at 2:20AM EDT until September 13 at 6:00PM EDT by NWS Boston/Norton MA
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Sunday, September 13, 2026
Precip chance
100%
Wind
2-12 mph
Humidity
91%
Feels like
70–65°F
Rain forecast
Rain likely starts around 12 PM and may continue until 8 PM. Peak chance: 100% around 6 PM.
Data source: National Weather Service (NOAA) · Updated just now
Tomorrow by Hour
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 4 AM☽ | 63°F | Partly Cloudy | 1% | 6 mph S | ||
| 5 AM☽ | 63°F | Partly Cloudy | 3% | 6 mph S | ||
| 6 AM☽ | 63°F | Partly Cloudy | 4% | 6 mph S | ||
| 7 AM☽ | 63°F | Mostly Cloudy | 6% | 6 mph S | ||
| 8 AM☽ | 64°F | Mostly Cloudy | 8% | 6 mph S | ||
| 9 AM☽ | 65°F | Mostly Cloudy | 6% | 6 mph S | ||
| 10 AM | 66°F | Partly Sunny | 4% | 7 mph S | ||
| 11 AM | 67°F | Chance Rain Showers | 25% | 7 mph S | ||
| 12 PM | 68°F | Rain Showers Likely | 60% | 8 mph S | ||
| 1 PM | 69°F | Chance Rain Showers | 51% | 9 mph S | ||
| 2 PM | 70°F | Rain Showers Likely | 57% | 10 mph S | ||
| 3 PM | 71°F | Showers And Thunderstorms | 78% | 12 mph S | ||
| 4 PM | 71°F | Showers And Thunderstorms | 82% | 10 mph S | ||
| 5 PM | 71°F | Patchy Fog | 86% | 9 mph S | ||
| 6 PM | 71°F | Patchy Fog | 100% | 8 mph S | ||
| 7 PM | 71°F | Patchy Fog | 80% | 8 mph S | ||
| 8 PM | 72°F | Patchy Fog | 65% | 7 mph S | ||
| 9 PM | 72°F | Patchy Fog | 18% | 7 mph S | ||
| 10 PM☽ | 71°F | Patchy Fog | 14% | 5 mph S | ||
| 11 PM☽ | 70°F | Patchy Fog | 7% | 3 mph SW | ||
| 12 AM☽ | 69°F | Patchy Fog | 7% | 2 mph SW | ||
| 1 AM☽ | 69°F | Patchy Fog | 7% | 2 mph W | ||
| 2 AM☽ | 69°F | Patchy Fog | 7% | 3 mph W | ||
| 3 AM☽ | 69°F | Patchy Fog | 7% | 3 mph W | ||
Precipitation Timeline
What to Wear Tomorrow
Warm and comfortable — dress light
Clothing
- • T-shirt or light blouse
- • Shorts or light pants
Footwear
Comfortable shoes or sandals
Accessories
- • Umbrella
Conditions
High: 72°F
Low: 63°F
Wind: 2-12 mph
Rain: 100%
Rain expected around 12 PM — carry an umbrella.
Best Time to Be Outside Tomorrow
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)