Portland, ME → Portsmouth, NH
48 mi · 57m (driving)
Current Risk
Low Risk
Clear conditions along your route
Portland
71°
Portsmouth
80°
Trip Briefing
1 segment · 48 mi · 57 min
Weather
🌦️ Slight rain showers
71°F, wind 6 mph
Rest Stops
5
Restrooms, Truck svc
Cameras
12 live
Clear driving conditions expected
Rest stops in this segment:
- ● Kennebunk Service Plaza 🚻
- ● Kennebunk Service Plaza 🚻
- ● Rest Area 🚻
Normal Traffic
No traffic incidents reported
Traffic Cameras
See recent road conditions along your route
Images are snapshots updated periodically by state DOTs. Timestamps shown in images indicate when each photo was captured.
Your Route
Via US-1A → I-295 South
Cameras shown are along this computed route
Need a custom route?
Portland
ME · SB
I-295 Mile 08 SB (Portland)
ME · SB
I-295 Mile 07 SB (Portland)
ME · SB
I-295 Mile 5 SB (Portland PTZ)
ME · SB
RT111 Mile 5 WB (Arundel)
ME · WB
95 SS 1.3 CCTV AX MTA
ME · SB
95 SS 2.4 CCTV AX MTA
ME · SB
95 SS 1.3 HLB CCTV MTA
ME · SB
95 NS 0.6 CCTV AX MTA
ME · SB
Dennett Rd NN 0.39 CCTV AX MTA
ME · SB
95 High Level BRG NW
ME · SB
95 High Level BRG SW
ME · SB
Rest Stops Along Your Route
5 stops available
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Get Weather Alerts for This Route
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⚡ Recent Weather Events on This Route
Premium users received alerts for these conditions:
- 🌧️Aug 11: Heavy rain expected near midpoint - consider afternoon departure
Don't miss the next alert →
Driving from Portland, ME to Portsmouth, NH covers 48 miles in roughly 57m of drive time, crossing state lines. We track 12 live traffic cameras and 5 rest areas along this corridor so you can plan around them. A trip this short usually fits in a single morning or afternoon — check the live conditions just before you head out.
7-Day Driving Outlook
Today
Aug 13
73° / 70°
No precip
Tomorrow
Aug 14
78° / 61°
No precip
Sat
Aug 15
77° / 59°
No precip
Sun
Aug 16
73° / 60°
No precip
Mon
Aug 17
68° / 65°
No precip
Tue
Aug 18
76° / 63°
No precip
Wed
Aug 19
78° / 64°
No precip
🗓️ Weekend Outlook
Saturday
Good to Go⛅ Partly cloudy at origin, 🌤️ Mainly clear at destination
Sunday
Good to Go☁️ Overcast at origin, ☁️ Overcast at destination
Plan This Route
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Current Conditions
Portland, ME
71°F
Wind: 6 mph
Portsmouth, NH
80°F
Wind: 9 mph
Weather data updated in real-time
Driving from Portland, ME to Portsmouth, NH
The 48-mile drive from Portland, Maine to Portsmouth, New Hampshire takes approximately 57m under normal conditions. Weather along this route can vary significantly, especially across varying terrain where weather conditions can change rapidly. Route Outlook helps you find the safest time to travel by showing you weather conditions at every point along your route, timed to when you'll actually be there.
This short route crosses state lines from Maine into New Hampshire, connecting Portland and Portsmouth. At under 100 miles, it's a manageable day trip, but weather conditions can still change between your origin and destination — especially across elevation changes or near large bodies of water.
Common Weather Hazards on This Route
- Winter storms and heavy snowfall (November through April)
- Black ice on mountain passes and bridges
Seasonal Driving Considerations
The Northeast corridor sees the full range of seasonal weather. Nor'easters from November through March can dump heavy snow and create whiteout conditions, while ice storms make roads treacherous. Summer and fall offer excellent driving conditions, though fall foliage season brings heavier traffic on scenic routes. Spring can bring unpredictable rain and residual freeze-thaw damage to road surfaces.
Best Time to Drive Portland to Portsmouth
For shorter trips like this 48-mile drive, morning departures typically offer the best conditions with lighter traffic and better visibility. Avoid rush hour periods (7-9 AM and 4-7 PM) if possible.
Driving Strategy
At 48 miles, the Portland to Portsmouth drive is short enough to complete in a single stretch. Still, check conditions along the route before you leave — a quick glance at live traffic cameras can confirm road visibility and surface conditions. If bad weather is forecasted for a narrow window, adjusting your departure by even an hour can make a significant difference in safety.
Pro Tip
Use Route Outlook's departure optimizer to find the best time to leave. Our 4D trajectory engine considers weather at each point along your route at the exact time you'll be there — not just at your destination. It also integrates live data from traffic cameras, DOT 511 feeds, and road weather sensors.
Frequently Asked Questions
How long is the drive from Portland to Portsmouth?
The drive is approximately 48 miles and takes about 57m under normal traffic and weather conditions. Severe weather can add significant time to your trip.
What's the best day to drive this route?
Based on current forecasts, Saturday, Aug 15 looks ideal. Clear conditions expected along the entire route
Is it safe to drive from Portland to Portsmouth today?
Current conditions show low risk along this route. Conditions look favorable for travel. Always stay alert and adjust speed for changing conditions.
Are there rest areas on the Portland to Portsmouth route?
Yes, there are 5 rest areas along this route. Facilities include restrooms, parking, and in some cases picnic areas and vending machines. Rest stops are spaced throughout the drive, so you'll never be too far from a break.
Can I see live traffic cameras on this route?
Yes, Route Outlook shows 12 live traffic cameras along this route, sourced from state DOT feeds. You can check road visibility, traffic flow, and pavement conditions in real time before and during your drive.
What highways does this route use?
This route primarily uses Other. Conditions can vary between highway segments, so check live camera feeds and road condition reports for each stretch before departing.
Are there any road closures on this route right now?
No significant incidents or road closures are currently reported along this route. Conditions can change quickly — this page updates automatically with the latest data from state DOT 511 systems.
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🛡️Road Safety Features: Real-Time Conditions for Your Route
Real-time traffic incidents from 12 states, highway message signs, road conditions, and 25,000+ traffic cameras--integrated into your route planning.
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