Marathon, FL → Key West, FL

45 mi · 53m (driving)

⚠️

Current Risk

Medium Risk

Coastal Flood Advisory in effect along your route

Driveable now

Leave soon if needed

Based on weather forecast

Add traffic to your estimate
☁️

Marathon

83°

☁️

Key West

78°

GOING
Tue, Sep 29

Trip Briefing

1 segment · 45 mi · 54 min

Weather

☁️ Overcast

83°F, wind 10 mph

Rest Stops

1

Restrooms

Cameras

11 live

Clear driving conditions expected

Rest stops in this segment:

  • ● Felton Road 🚻

Weather May Slow Traffic

Active weather advisory — expect slower travel

Loading map...

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.

View all cameras

Your Route

Via US-1

US-1Flagler Avenue

Cameras shown are along this computed route

Need a custom route?
US-1
11 cameras
US-1 at Mile Marker 50
1

US-1 at Mile Marker 50

FL · NB

US-1 at Mile Marker 48
2

US-1 at Mile Marker 48

FL · NB

US-1 at Mile Marker 39.8
3

US-1 at Mile Marker 39.8

FL · NB

US-1 at Mile Marker 34
4

US-1 at Mile Marker 34

FL · NB

US-1 at Mile Marker 31.3
5

US-1 at Mile Marker 31.3

FL · NB

US-1 at Mile Marker 27
6

US-1 at Mile Marker 27

FL · NB

US-1 at Mile Marker 19.6
7

US-1 at Mile Marker 19.6

FL · NB

US-1 at Mile Marker 16
8

US-1 at Mile Marker 16

FL · NB

US-1 at Mile Marker 14
9

US-1 at Mile Marker 14

FL · NB

US-1 at Mile Marker 5.3
10

US-1 at Mile Marker 5.3

FL · NB

US-1 North  of Key West
11

US-1 North of Key West

FL · NB

Rest Stops Along Your Route

1 stop available

Swipe to see more

Felton Road

Near destination

Open
Restrooms
🔔

Get Weather Alerts for This Route

We'll notify you when conditions change before your trip. Never drive into a surprise storm again.

⚡ Recent Weather Events on This Route

Premium users received alerts for these conditions:

  • 🌧️
    Sep 27: Rain advisory for afternoon departures
  • ❄️
    Sep 25: Snow expected at higher elevations - consider earlier departure
  • 🌫️
    Sep 22: Dense fog warning for morning travel

Don't miss the next alert →

The 45-mile short drive from Marathon to Key West stays within FL and takes about 53m without stops. We track 11 live traffic cameras, 1 rest area and 1 active weather alert 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

Sep 29

🌦️→🌧️

83° / 79°

No precip

Risky

Tomorrow

Sep 30

⛈️→⛈️

84° / 77°

No precip

Avoid

Thu

Oct 1

🌦️→⛈️

83° / 79°

No precip

Avoid

Fri

Oct 2

⛈️→⛈️

85° / 81°

No precip

Avoid

Sat

Oct 3

🌦️→⛈️

84° / 83°

No precip

Avoid

Sun

Oct 4

☁️→☁️

85° / 84°

No precip

Safe

Mon

Oct 5

🌦️→🌧️

85° / 83°

No precip

Caution

🗓️ Weekend Outlook

Saturday

Use Caution

⚠️ Hazardous conditions expected - Thunderstorm

Sunday

Good to Go

☁️ Overcast at origin, ☁️ Overcast at destination

Plan This Route

Get hour-by-hour weather forecasts, real-time traffic, and find the optimal departure time.

🚗 Live traffic included

See if current slowdowns affect your drive time

Open in Planner

Free • No sign-up required

Current Conditions

Marathon, FL

☁️

83°F

Wind: 10 mph

Key West, FL

☁️

78°F

Wind: 0 mph

Weather data updated in real-time

Driving from Marathon, FL to Key West, FL

The 45-mile drive from Marathon, Florida to Key West, Florida takes approximately 53m under normal conditions. Weather along this route can vary significantly, especially along coastal regions where fog and marine weather can impact visibility. 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 stays within Florida, connecting Marathon and Key West. 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

  • Severe thunderstorms and flash flooding (spring and summer)
  • Hurricane and tropical storm impacts (June through November)

Seasonal Driving Considerations

Coastal weather on this route can shift quickly. Marine fog is common during morning hours, especially in spring and fall, reducing visibility to near zero. Hurricane season (June through November) can bring extended road closures and dangerous conditions. During fair weather, coastal routes offer scenic driving — but always verify conditions with live traffic cameras before heading out.

Best Time to Drive Marathon to Key West

For shorter trips like this 45-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 45 miles, the Marathon to Key West 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 Marathon to Key West?

The drive is approximately 45 miles and takes about 53m 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, Sunday, Oct 4 looks ideal. Low chance of precipitation with manageable conditions

Is it safe to drive from Marathon to Key West today?

Current conditions show medium risk along this route. Conditions look favorable for travel. Always stay alert and adjust speed for changing conditions.

Are there rest areas on the Marathon to Key West route?

Yes, there is 1 rest area 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 11 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 US-1. 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.

Don't Drive Blind Into Weather

Route Outlook shows you conditions at every point along your route—at the exact time you'll be there.

Open Planner