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Now · 8:45 AM

Williamstown (Vic.) Weather & Hourly Forecast

Australia · Victoria

Sunny
10°C
Sunny
Feels like: 9°C
💧 Humidity 78% 🌡 Pressure 1031 hPa 💨 Wind 2 km/h 👁 Visibility 47.1 km Clouds 12% ☀️ UV index 0.8 · Low 🌅 Sunrise 6:07 AM 🌇 Sunset 6:18 PM

Hourly Forecast for Williamstown (Vic.)

Today
Sunny · 9:00 AM Sunny
10° 💧 None 💨 2 km/h H 78%1031 hPa
Sunny · 12:00 PM Sunny
12° 💧 None 💨 13 km/h H 78%1030 hPa
Mostly sunny · 3:00 PM Mostly sunny
14° 💧 None 💨 12 km/h H 78%1028 hPa
Mostly cloudy · 6:00 PM Mostly cloudy
14° 💧 None 💨 9 km/h H 81%1028 hPa
Mostly clear night · 9:00 PM Mostly clear night
15° 💧 None 💨 3 km/h H 83%1028 hPa
Tomorrow
Mostly cloudy night · 12:00 AM Mostly cloudy night
13° 💧 None 💨 6 km/h H 84%1028 hPa
Overcast night · 3:00 AM Overcast night
12° 💧 None 💨 5 km/h H 85%1026 hPa
Overcast night · 6:00 AM Overcast night
12° 💧 None 💨 9 km/h H 80%1026 hPa
Overcast · 9:00 AM Overcast
16° 💧 None 💨 10 km/h H 71%1026 hPa
Mostly cloudy · 12:00 PM Mostly cloudy
20° 💧 None 💨 24 km/h H 55%1024 hPa
Mostly cloudy · 3:00 PM Mostly cloudy
21° 💧 None 💨 18 km/h H 55%1022 hPa
Overcast · 6:00 PM Overcast
20° 💧 0.1 mm 💨 16 km/h H 60%1023 hPa
Overcast night · 9:00 PM Overcast night
18° 💧 None 💨 11 km/h H 72%1025 hPa
Friday
Overcast night · 12:00 AM Overcast night
17° 💧 None 💨 9 km/h H 77%1024 hPa
Overcast night · 3:00 AM Overcast night
17° 💧 None 💨 12 km/h H 79%1022 hPa
Light rain · 6:00 AM Light rain
18° 💧 0.2 mm 💨 8 km/h H 81%1023 hPa

In Williamstown (Vic.) and, more broadly, across Victoria: The evening will be mostly sunny with just a few clouds drifting through. Temperatures are expected to remain cool, ranging between 4 degrees Celsius and 4 degrees Celsius. Winds will be moderate from the south, reaching up to 17 km/h, with gusts possibly hitting 41 km/h. No rain is forecast for the coming hours, so conditions will be dry and relatively settled. It will feel quite chilly as the night progresses, so wrapping up warmly is advisable if you're heading outdoors. The moderate south winds might bring a slight breeze, but overall, weather conditions will be calm and clear into the early hours.

15-Day Weather Outlook for Williamstown (Vic.)

TomorrowTomorrow Mostly cloudy Mostly cloudy 21°/12° 💧 None 💨 24 km/h
Friday, Sep 25Fri Sep 25 Light thunderstorms Light thunderstorms 21°/15° 💧 None 💨 22 km/h
Saturday, Sep 26Sat Sep 26 Light rain Light rain 16°/12° 💧 6.2 mm 💨 15 km/h
Sunday, Sep 27Sun Sep 27 Overcast Overcast 18°/ 💧 0.1 mm 💨 12 km/h
Monday, Sep 28Mon Sep 28 Partly cloudy Partly cloudy 23°/ 💧 None 💨 12 km/h
Tuesday, Sep 29Tue Sep 29 Overcast Overcast 25°/16° 💧 0.8 mm 💨 20 km/h
Wednesday, Sep 30Wed Sep 30 Light rain Light rain 24°/16° 💧 6.4 mm 💨 18 km/h
Thursday, Oct 1Thu Oct 1 Moderate rain Moderate rain 23°/11° 💧 12 mm 💨 24 km/h
Friday, Oct 2Fri Oct 2 Mostly sunny Mostly sunny 14°/ 💧 0.4 mm 💨 12 km/h
Saturday, Oct 3Sat Oct 3 Sunny Sunny 14°/ 💧 None 💨 15 km/h
Sunday, Oct 4Sun Oct 4 Mostly sunny Mostly sunny 17°/ 💧 None 💨 14 km/h
Monday, Oct 5Mon Oct 5 Mostly cloudy Mostly cloudy 22°/10° 💧 None 💨 12 km/h
Tuesday, Oct 6Tue Oct 6 Sunny Sunny 23°/12° 💧 None 💨 14 km/h
Wednesday, Oct 7Wed Oct 7 Mostly cloudy Mostly cloudy 25°/14° 💧 None 💨 18 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Williamstown (Vic.)

Vertical axis: °C · Color based on temperature
Sunny at 9:00 AM
51° Today 9:00 AM
Mostly cloudy at 10:00 AM
52° 10:00 AM
Sunny at 11:00 AM
53° 11:00 AM
Sunny at 12:00 PM
54° 12:00 PM
Sunny at 1:00 PM
55° Today 1:00 PM
Sunny at 2:00 PM
56° 2:00 PM
Mostly sunny at 3:00 PM
57° 3:00 PM
Partly cloudy at 4:00 PM
58° 4:00 PM
Mostly sunny at 5:00 PM
58° Today 5:00 PM
Mostly cloudy at 6:00 PM
58° 6:00 PM
Mostly cloudy night at 7:00 PM
59° 7:00 PM
Clear night at 8:00 PM
59° 8:00 PM
Mostly clear night at 9:00 PM
59° Today 9:00 PM
Mostly clear night at 10:00 PM
58° 10:00 PM
Partly cloudy night at 11:00 PM
56° 11:00 PM
Mostly cloudy night at 12:00 AM
55° 12:00 AM
Mostly cloudy night at 1:00 AM
54° Tomorrow 1:00 AM
Overcast night at 2:00 AM
54° 2:00 AM
Overcast night at 3:00 AM
54° 3:00 AM
Overcast night at 4:00 AM
53° 4:00 AM
Overcast night at 5:00 AM
53° Tomorrow 5:00 AM
Overcast night at 6:00 AM
54° 6:00 AM
Overcast at 7:00 AM
55° 7:00 AM
Overcast at 8:00 AM
57° 8:00 AM
Overcast at 9:00 AM
60° Tomorrow 9:00 AM
Overcast at 10:00 AM
64° 10:00 AM
Mostly cloudy at 11:00 AM
66° 11:00 AM
Mostly cloudy at 12:00 PM
68° 12:00 PM
Overcast at 1:00 PM
69° Tomorrow 1:00 PM
Overcast at 2:00 PM
69° 2:00 PM
Mostly cloudy at 3:00 PM
70° 3:00 PM
Overcast at 4:00 PM
70° 4:00 PM
Overcast at 5:00 PM
70° Tomorrow 5:00 PM
Overcast at 6:00 PM
69° 6:00 PM
Light rain at 7:00 PM
67° 7:00 PM
Mostly cloudy night at 8:00 PM
66° 8:00 PM
Overcast night at 9:00 PM
65° Tomorrow 9:00 PM
Mostly cloudy night at 10:00 PM
64° 10:00 PM
Overcast night at 11:00 PM
63° 11:00 PM
Overcast night at 12:00 AM
63° 12:00 AM
Overcast night at 1:00 AM
63° Friday 1:00 AM
Mostly cloudy night at 2:00 AM
63° 2:00 AM
Overcast night at 3:00 AM
63° 3:00 AM
Overcast night at 4:00 AM
63° 4:00 AM
Overcast night at 5:00 AM
64° Friday 5:00 AM
Light rain at 6:00 AM
64° 6:00 AM
Overcast at 7:00 AM
64° 7:00 AM
Overcast at 8:00 AM
64° 8:00 AM
Overcast at 9:00 AM
64° Friday 9:00 AM
Mostly cloudy at 10:00 AM
65° 10:00 AM
Overcast at 11:00 AM
67° 11:00 AM
Overcast at 12:00 PM
67° 12:00 PM
Overcast at 1:00 PM
66° Friday 1:00 PM
Partly cloudy at 2:00 PM
69° 2:00 PM
Light thunderstorms at 3:00 PM
61° 3:00 PM
Light thunderstorms at 4:00 PM
62° 4:00 PM
Light thunderstorms at 5:00 PM
62° Friday 5:00 PM
Light thunderstorms at 6:00 PM
61° 6:00 PM
Mostly cloudy night at 7:00 PM
59° 7:00 PM
Mostly cloudy night at 8:00 PM
59° 8:00 PM
Mostly cloudy night at 9:00 PM
59° Friday 9:00 PM
Mostly cloudy night at 10:00 PM
58° 10:00 PM
Overcast night at 1:00 AM
57° 1:00 AM
Mostly cloudy night at 4:00 AM
56° 4:00 AM
Light rain at 7:00 AM
57° Saturday 7:00 AM
Light rain at 10:00 AM
58° 10:00 AM
Overcast at 1:00 PM
60° 1:00 PM
Overcast at 4:00 PM
58° 4:00 PM
Overcast night at 7:00 PM
55° Saturday 7:00 PM
Overcast night at 10:00 PM
53° 10:00 PM
Mostly cloudy night at 1:00 AM
51° 1:00 AM
Mostly clear night at 4:00 AM
49° 4:00 AM
Partly cloudy at 7:00 AM
51° Sunday 7:00 AM
Overcast at 10:00 AM
58° 10:00 AM
Partly cloudy at 1:00 PM
64° 1:00 PM
Partly cloudy at 4:00 PM
63° 4:00 PM
Mostly clear night at 7:00 PM
56° Sunday 7:00 PM
Clear night at 10:00 PM
51° 10:00 PM
Partly cloudy night at 1:00 AM
49° 1:00 AM
Mostly clear night at 4:00 AM
47° 4:00 AM
Partly cloudy at 7:00 AM
47° Monday 7:00 AM
Mostly cloudy at 10:00 AM
60° 10:00 AM
Partly cloudy at 1:00 PM
71° 1:00 PM
Overcast at 4:00 PM
73° 4:00 PM
Overcast night at 7:00 PM
65° Monday 7:00 PM
Mostly cloudy night at 10:00 PM
61° 10:00 PM
Partly cloudy night at 4:00 AM
62° 4:00 AM
Mostly sunny at 10:00 AM
71° 10:00 AM
Mostly cloudy at 4:00 PM
78° Tuesday 4:00 PM
Overcast night at 10:00 PM
67° 10:00 PM
Light rain at 4:00 AM
61° 4:00 AM
Light rain at 10:00 AM
67° 10:00 AM
Sunny at 4:00 PM
75° Wednesday 4:00 PM
Light rain at 10:00 PM
67° 10:00 PM
Overcast night at 4:00 AM
69° 4:00 AM
Mostly cloudy at 10:00 AM
73° 10:00 AM
Moderate rain at 4:00 PM
63° Thursday 4:00 PM
Partly cloudy night at 10:00 PM
53° 10:00 PM
Clear night at 4:00 AM
47° 4:00 AM
Mostly sunny at 10:00 AM
57° 10:00 AM
Sunny at 4:00 PM
58° Friday 4:00 PM
Clear night at 10:00 PM
50° 10:00 PM
Clear night at 4:00 AM
45° 4:00 AM
Sunny at 10:00 AM
56° 10:00 AM
Sunny at 4:00 PM
58° Saturday 4:00 PM
Clear night at 10:00 PM
48° 10:00 PM
Clear night at 4:00 AM
45° 4:00 AM
Mostly sunny at 10:00 AM
59° 10:00 AM
Mostly sunny at 4:00 PM
63° Sunday 4:00 PM
Clear night at 10:00 PM
53° 10:00 PM
Mostly cloudy night at 4:00 AM
50° 4:00 AM
Sunny at 10:00 AM
65° 10:00 AM
Sunny at 4:00 PM
71° Monday 4:00 PM
Clear night at 10:00 PM
58° 10:00 PM
Clear night at 4:00 AM
53° 4:00 AM
Sunny at 10:00 AM
67° 10:00 AM
Sunny at 4:00 PM
73° Tuesday 4:00 PM
Clear night at 10:00 PM
60° 10:00 PM
Clear night at 4:00 AM
57° 4:00 AM
Sunny at 10:00 AM
71° 10:00 AM
Mostly cloudy at 4:00 PM
78° Wednesday 4:00 PM
Mostly clear night at 10:00 PM
65° 10:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Williamstown (Vic.)

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 9:00 AM
PM2.5 Fine particles Good 2,8µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 6,6µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 54,4µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 2,1µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Williamstown (Vic.)

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 5,5Moderate 😊Good
Tomorrow UV 5,1Moderate 🙂Fair
Friday UV 4,7Moderate 🙂Fair
Saturday UV 1,7Low 🙂Fair
Sunday UV 1,3Low 🙂Fair
Monday UV 6,0High Unavailable
Tuesday UV 7,0High Unavailable
Hourly UV index today
9:00 AMUV 1,9 10:00 AMUV 3,5 11:00 AMUV 4,7 12:00 PMUV 5,5 1:00 PMUV 5,5 2:00 PMUV 4,5 3:00 PMUV 3,0 4:00 PMUV 1,5 5:00 PMUV 0,5 6:00 PMUV 0,0 7:00 PMUV 0,0
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Williamstown (Vic.)

Vertical axis: km/h · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in km/h. Today 9:00 AM 10:00 AM 11:00 AM 12:00 PM Today 1:00 PM 2:00 PM 3:00 PM 4:00 PM Today 5:00 PM 6:00 PM 7:00 PM 8:00 PM Today 9:00 PM 10:00 PM 11:00 PM 12:00 AM Tomorrow 1:00 AM 2:00 AM 3:00 AM 4:00 AM Tomorrow 5:00 AM 6:00 AM 7:00 AM 8:00 AM Tomorrow 9:00 AM 10:00 AM 11:00 AM 12:00 PM Tomorrow 1:00 PM 2:00 PM 3:00 PM 4:00 PM Tomorrow 5:00 PM 6:00 PM 7:00 PM 8:00 PM Tomorrow 9:00 PM 10:00 PM 11:00 PM 12:00 AM Friday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Friday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Friday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Friday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Friday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Friday 9:00 PM 10:00 PM 1:00 AM 4:00 AM Saturday 7:00 AM 10:00 AM 1:00 PM 4:00 PM Saturday 7:00 PM 10:00 PM 1:00 AM 4:00 AM Sunday 7:00 AM 10:00 AM 1:00 PM 4:00 PM Sunday 7:00 PM 10:00 PM 1:00 AM 4:00 AM Monday 7:00 AM 10:00 AM 1:00 PM 4:00 PM Monday 7:00 PM 10:00 PM 4:00 AM 10:00 AM Tuesday 4:00 PM 10:00 PM 4:00 AM 10:00 AM Wednesday 4:00 PM 10:00 PM 4:00 AM 10:00 AM Thursday 4:00 PM 10:00 PM 4:00 AM 10:00 AM Friday 4:00 PM 10:00 PM 4:00 AM 10:00 AM Saturday 4:00 PM 10:00 PM 4:00 AM 10:00 AM Sunday 4:00 PM 10:00 PM 4:00 AM 10:00 AM Monday 4:00 PM 10:00 PM 4:00 AM 10:00 AM Tuesday 4:00 PM 10:00 PM 4:00 AM 10:00 AM Wednesday 4:00 PM 10:00 PM
Sustained wind Max gusts
NIGHT SKY · WILLIAMSTOWN (VIC.), VICTORIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 8:00 PM–9:00 PM.

84/100Best-hour score
BEST TIME TONIGHT 8:00 PM–9:00 PM Astronomical darkness: 7:45 PM–4:38 AM
Cloud cover 3% Real hourly forecast for the best viewing hour.
Moonlight 89% Waxing Gibbous · Moon about 58° above the horizon at the best viewing hour.
Meteor activity Southern Taurids Reference ZHR 7 · Radiant -29° high at the best hour.
Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min5%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
ACTIVE NOW
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING
NOV 6–NOV 30
LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

Forecast data for Williamstown (Vic.) were last refreshed today at 8:45 AM. The current forecast period extends through 25/09/2026 at 6:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.