Major city · United States
Williams Bay
Half-day stop for Yerkes Observatory and lakeside nature trails, not a base. One night if you want a quiet Lake Geneva alternative.
Williams Bay is a small lakeside village on the western shore of Lake Geneva, best known for Yerkes Observatory — home to the world's largest refracting telescope. The village has a walkable downtown, a 65-acre nature preserve with 4 miles of trails, and a quiet pace. Most visitors come for the observatory tour and a short hike, then move on to Lake Geneva or Delavan.
More
More ways in
Local time, weather, currency, airports
- Weather
- see forecast
- Currency
- USD
- Best months
- May–Oct
- avoid Jan–Feb (cold, some trails icy)
- Airports
- ORD · MKE
- Nights
- 1
Not a trip line yet
Rules in force · 7Crossing between the US, Canada and Mexico by land needs …Cannabis is legal in Canada and in many US states, but ta…
- North America ↗Crossing between the US, Canada and Mexico by land needs your passport even on a day trip; rental cars need the company's written permission to cross, and most US and Canadian rental insurance stops at the Mexican border.
- North America ↗Cannabis is legal in Canada and in many US states, but taking any amount across the US, Canadian or Mexican border is a federal crime — including edibles and vapes.
- North America ↗The busiest US and Canadian national parks need timed-entry, campsite or lodge reservations in summer; release dates are months ahead.
- United States ↗Check whether you need an ESTA (Visa Waiver Program) or a visa on the official CBP and State Department sites; apply only through esta.cbp.dhs.gov, not third-party sites, and allow time before you book.
- United States ↗Several popular national parks use timed-entry or vehicle reservations in peak season; check each park's page on nps.gov and book on recreation.gov before fixing your dates.
- United States ↗Medical care is very expensive for visitors; buy travel insurance with high medical cover before you fly.
- United States ↗Tipping is expected: about 15–20% at sit-down restaurants and bars, and a tip for taxis, hotel staff and guides.
Entry rules depend on your passport. Full visa guide
What is in this basic guide9 covered · 4 not yet ▾
In this guide
Not in this guide yet
- Walking areas with bag rules
- Day plans checked against opening hours
- Airport-to-bed timings and the last safe connection
- Field-checked times and prices
Official sites
Emergency numbers for Williams Bay911 ▾
- Police, fire, ambulance911
Tap a number to call from your phone. These are the numbers listed in this guide; a row marked check has not been verified.
EssentialsQuick answers and what things cost
Essentials
Quick answers and what things cost
Quick answers
The questions people ask first about Williams Bay, one line each. Tap a card for the full answer.
- Cash or card?Currency is the US dollar (USD, $).United States-wide
- SIM or eSIMAT&T, Verizon and T-Mobile cover the country; prepaid SIMs at their stores and Walmart/Target (passport required), or an eSIM before you fly.United States-wide
- Tap waterTap water is drinkable nearly everywhere; boil or treat water from streams in parks.United States-wide
- TippingSit-down restaurant: 18–22% of the pre-tax bill.United States-wide
- Plugs & powerSockets A/B. US/Canada (A/B): fits · UK/Ireland (G): adapter · Australia/NZ (I): adapter. 120 V: UK and AU 230 V-only devices need a converter; most chargers are dual-voltage.United States-wide
- SafetyVery safe; typical small-town risks are traffic on WI 67 and ticks in the nature preserve.
Show all 12 answers
- RestroomsFree public toilets are scarce in big cities; use cafés, department stores, libraries, stations.United States-wide
- Emergency numbers911 police, fire, ambulance
- Sundays & holidaysFederal holidays close offices, banks and post offices; national parks stay open.United States-wide
- Your embassyFind your embassy's 24-hour line before you fly.
- AirportORD Chicago O'Hare (About 1 h 15 min drive via I-43 and WI 67).
- Getting aroundNo public transport; a car is necessary.
Cost cheat-sheet
Typical prices for the everyday things, as ranges. Your currency is shown next to the local price.
- Coffee$3–5
- Sit-down mealDinner entrée$15–30
- Street or quick mealLunch sandwich$8–14
- BeerBeer (pint)$5–8
- Budget bedMotel room, a night, per roomUS$80
- Mid-range bedB&B or inn room, a night, per roomUS$160
- High-end bedB&B or inn room, a night, per roomUS$250
A day, not counting the bed: Budget US$70 · Mid US$120 · High US$200
Prices in local money; change the currency in the header to see yours next to them. Every price and the budget calculator →
DecideWhat it is known for, and when the weather works
Decide
What it is known for, and when the weather works
At a glance
What the city is known for, how you fly in, and where to find the phrases.
- Airports
- ORD Chicago O'Hare (About 1 h 15 min drive via I-43 and WI 67) · MKE Milwaukee Mitchell (About 45 min drive via I-43 and WI 67)
Best months at a glance
From the guide's best and avoid lists
Jan
Avoid
−2°C (28°F)28°F (−2°C)
Feb
Avoid
0°C (32°F)32°F (0°C)
Mar
not flagged
7°C (45°F)45°F (7°C)
Apr
not flagged
15°C (59°F)59°F (15°C)
May
Best
21°C (70°F)70°F (21°C)
Jun
Best
26°C (79°F)79°F (26°C)
Jul
Best
28°C (82°F)82°F (28°C)
Aug
Best
27°C (81°F)81°F (27°C)
Sep
Best
23°C (73°F)73°F (23°C)
Oct
Best
16°C (61°F)61°F (16°C)
Nov
not flagged
7°C (45°F)45°F (7°C)
Dec
not flagged
0°C (32°F)32°F (0°C)
Best: May–Oct. Avoid: Jan–Feb. Month by month →
Warmest Jul (28°C (82°F)82°F (28°C)), coolest Jan (−11°C (12°F)12°F (−11°C) low), wettest May (12 rain days), driest Feb (7). Averages, not a forecast.
Weather and climate
Williams Bay: next 7 days
Loading forecast…
Forecast: Open-Meteo (CC BY 4.0), model data for this point.
Air quality
Loading…
Model estimate (CAMS via Open-Meteo), not a street-level station; readings near busy roads run higher.
Jan
−2°C (28°F)28°F (−2°C)
−11°C (12°F)12°F (−11°C)
8 rd
Feb
0°C (32°F)32°F (0°C)
−9°C (16°F)16°F (−9°C)
7 rd
Mar
7°C (45°F)45°F (7°C)
−3°C (27°F)27°F (−3°C)
9 rd
Apr
15°C (59°F)59°F (15°C)
3°C (37°F)37°F (3°C)
11 rd
May
21°C (70°F)70°F (21°C)
9°C (48°F)48°F (9°C)
12 rd
Jun
26°C (79°F)79°F (26°C)
14°C (57°F)57°F (14°C)
11 rd
Jul
28°C (82°F)82°F (28°C)
17°C (63°F)63°F (17°C)
10 rd
Aug
27°C (81°F)81°F (27°C)
16°C (61°F)61°F (16°C)
10 rd
Sep
23°C (73°F)73°F (23°C)
11°C (52°F)52°F (11°C)
9 rd
Oct
16°C (61°F)61°F (16°C)
5°C (41°F)41°F (5°C)
9 rd
Nov
7°C (45°F)45°F (7°C)
−2°C (28°F)28°F (−2°C)
8 rd
Dec
0°C (32°F)32°F (0°C)
−8°C (18°F)18°F (−8°C)
8 rd
High / low, both scales · rd = rain days
Arrive & moveAirports are listed under At a glance; this is how to move once you are in
Arrive & move
Airports are listed under At a glance; this is how to move once you are in
Getting around
No public transport; a car is necessary. Downtown is walkable but hilly. Parking is free and easy.
See & doDay-trips, door to door
See & do
Day-trips, door to door
Day-trips
Lake Geneva
goDoor to door: 10 min
WI 50 east, about 10 min drive
Lakefront walk, boat tours, shopping and dining.
Delavan
goDoor to door: 15 min
WI 50 west, about 15 min drive
Historic downtown and the Delavan Lake area.
Elkhorn
goDoor to door: 15 min
WI 67 north, about 15 min drive
Walworth County seat with a historic square.
Whitewater
goDoor to door: 25 min
WI 67 north then WI 12 west, about 25 min drive
University town with the Whitewater Creek trail.
Eat & sleepWhich area to sleep in
Eat & sleep
Which area to sleep in
Where to sleep
Areas, not hotels: pick the one that fits your arrival time and plans.
Downtown Williams Bay
Small inns and B&Bs near Geneva Street; walkable to the observatory and restaurants.
Lake Geneva area
More hotels and resorts, 10 min east by car.
PracticalWhat a day costs, what to watch out for, and the pocket card
Practical
What a day costs, what to watch out for, and the pocket card
Cost per day
- Budget
- $60–90 excl. bed
- Mid
- $90–150 excl. bed
- High
- $150+ excl. bed
Trip budget
| B&B or inn room1 × 1 night × US$160 | US$160 |
| Food, local transport, entries2 × 1 day × US$120 | US$240 |
| Yerkes Observatory tour2 × US$15 · check | US$30 |
| Gas round trip from Chicago (about 150 miles)1 × US$25 | US$25 |
| Buffer 10%Price creep, a taxi you did not plan, one splurge | US$46 |
| Trip total≈ US$251 per person per day, bed included | US$501 |
2026 estimate in USD; flights and car rental excluded. Your choices stay in this browser.
Prices of common things
| Coffee | $3–5 |
| Lunch sandwich | $8–14 |
| Dinner entrée | $15–30 |
| Beer (pint) | $5–8 |
| Gas (per gallon) | $3.50–4.50 |
2026 estimate; check locally.
Watch out
Safety
- Yerkes Observatory requires a reservation for night programs; day tours are walk-in but check the schedule.
- Trails at Kishwauketoe can be muddy after rain.
- No Uber or taxi service based in the village; plan rides from Lake Geneva or Delavan.
Emergency numbers
- Police, fire, ambulance
- 911
Pocket card
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Williams BayWilliams Bay
Pocket card · Voykit
My bed tonight
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To this address, pleaseTo this address, please
Emergency
- Police, fire, ambulance911
Embassy
My embassy: —
Fare anchors (2026 estimate)
- Chicago O'Hare → Williams Bay by car: about 1 h 15 min, tolls on I-43 (check)
- Milwaukee → Williams Bay by car: about 45 min, no tolls
Say or show
- Hello — Hello (hello)
- Thank you — Thank you (thank you)
- How much is it? — How much is it? (how much is it)
- Where is the restroom? — Where is the restroom? (where is the restroom)
Deep diveWhat this guide covers so far, and its sources
Deep dive
What this guide covers so far, and its sources
Not a trip line yet
This is a basic guide: no airport-to-bed contract, walking clusters or day plans are published for Williams Bay. Airport, fare and schedule details are unverified; check the operators before you fly.
What we know, and what is coming
On this page
- Best months: May–Oct · avoid Jan–Feb (cold, some trails icy) · month by month →
- 2 airports and 2 areas to sleep in
- Weather: a 7-day forecast and monthly averages
- Cost per day in 3 bands
- 4 day-trips, door to door
- 3 things to watch out for, with emergency numbers
Coming as the guide grows
- An airport-to-bed path that says whether a late landing still works
- Walking clusters with bag rules
- Day plans checked against opening hours
- Field-verified times and fares
Sources
Ask about Williams Bay
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