Weather Tomorrow for ZIP 02145
Somerville, MA · View full Somerville forecast
Friday, September 18, 2026
Clear
Precip chance
58%
Wind
6-12 mph
Humidity
69%
Feels like
74–63°F
Rain forecast
Rain likely starts around 4 AM and may continue until 7 AM. Peak chance: 58% around 4 AM.
Data source: National Weather Service (NOAA) · Updated just now
Tomorrow by Hour
61°Temperature trend76°
| Time | Temp | Condition | Rain % | Wind | ||
|---|---|---|---|---|---|---|
| 4 AM☽ | 70°F | Patchy Fog | 58% | 6 mph SW | ||
| 5 AM☽ | 69°F | Rain Showers Likely | 55% | 7 mph SW | ||
| 6 AM☽ | 68°F | Chance Rain Showers | 51% | 7 mph SW | ||
| 7 AM☽ | 68°F | Chance Rain Showers | 40% | 7 mph W | ||
| 8 AM☽ | 68°F | Chance Rain Showers | 29% | 6 mph W | ||
| 9 AM☽ | 67°F | Patchy Fog | 18% | 6 mph W | ||
| 10 AM | 67°F | Mostly Cloudy | 13% | 7 mph NW | ||
| 11 AM | 67°F | Partly Sunny | 8% | 7 mph NW | ||
| 12 PM | 68°F | Mostly Sunny | 3% | 8 mph NW | ||
| 1 PM | 69°F | Sunny | 2% | 9 mph NW | ||
| 2 PM | 71°F | Sunny | 2% | 10 mph N | ||
| 3 PM | 73°F | Sunny | 1% | 12 mph N | ||
| 4 PM | 74°F | Sunny | 1% | 12 mph N | ||
| 5 PM | 75°F | Sunny | 0% | 12 mph NW | ||
| 6 PM | 75°F | Mostly Sunny | 0% | 12 mph NW | ||
| 7 PM | 76°F | Mostly Sunny | 0% | 10 mph NW | ||
| 8 PM | 75°F | Sunny | 0% | 10 mph NW | ||
| 9 PM | 74°F | Sunny | 0% | 12 mph NW | ||
| 10 PM☽ | 73°F | Partly Cloudy | 0% | 10 mph NW | ||
| 11 PM☽ | 69°F | Partly Cloudy | 0% | 9 mph N | ||
| 12 AM☽ | 66°F | Partly Cloudy | 0% | 9 mph N | ||
| 1 AM☽ | 64°F | Partly Cloudy | 0% | 8 mph N | ||
| 2 AM☽ | 62°F | Partly Cloudy | 0% | 8 mph N | ||
| 3 AM☽ | 61°F | Partly Cloudy | 0% | 8 mph N | ||
Precipitation Timeline
100%
50%
58%
4a10a4p10p
<20%20-50%50-70%>70%
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: 76°F
Low: 61°F
Wind: 6-12 mph
Rain: 58%
Rain expected around 4 AM — carry an umbrella.
Best Time to Be Outside Tomorrow
12 PM – 1 PM
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)
4a10a4p10p