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Now · 11:09 PM

Java, SD Weather Forecast – Hourly & 15-Day

United States · South Dakota

Overcast night
62°F
Overcast night
Feels like: 56°F
💧 Humidity 88% 🌡 Pressure 30.00 inHg 💨 Wind 15 mph 👁 Visibility 10.7 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:29 AM 🌇 Sunset 7:32 PM

Hourly Forecast for Java

Tomorrow
Overcast night · 12:00 AM Overcast night
61° 💧 0.004 in 💨 14 mph 90%29.97 inHg
Overcast night · 3:00 AM Overcast night
60° 💧 0.006 in 💨 12 mph 95%29.91 inHg
Overcast night · 6:00 AM Overcast night
60° 💧 0.002 in 💨 12 mph 97%29.85 inHg
Overcast · 9:00 AM Overcast
61° 💧 0 in 💨 10 mph 96%29.88 inHg
Overcast · 12:00 PM Overcast
66° 💧 0.009 in 💨 10 mph 87%29.88 inHg
Overcast · 3:00 PM Overcast
71° 💧 0.009 in 💨 7 mph 74%29.85 inHg
Sunny · 6:00 PM Sunny
71° 💧 0 in 💨 3 mph 74%29.85 inHg
Clear night · 9:00 PM Clear night
64° 💧 0.001 in 💨 1 mph 90%29.91 inHg
Sunday
Clear night · 12:00 AM Clear night
61° 💧 0 in 💨 0 mph 95%29.97 inHg
Mist at night · 3:00 AM Mist at night
58° 💧 0 in 💨 5 mph 99%30.00 inHg
Clear night · 6:00 AM Clear night
53° 💧 0 in 💨 5 mph 85%30.06 inHg
Partly cloudy · 9:00 AM Partly cloudy
56° 💧 0 in 💨 8 mph 70%30.12 inHg
Sunny · 12:00 PM Sunny
66° 💧 0 in 💨 9 mph 46%30.15 inHg
Partly cloudy · 3:00 PM Partly cloudy
69° 💧 0 in 💨 8 mph 38%30.12 inHg
Partly cloudy · 6:00 PM Partly cloudy
67° 💧 0 in 💨 9 mph 47%30.09 inHg
Mostly clear night · 9:00 PM Mostly clear night
60° 💧 0 in 💨 8 mph 57%30.09 inHg

In Java and, more broadly, across the state of South Dakota: This morning will start with mostly cloudy skies and cool temperatures around 52 to 56 degrees Fahrenheit. Winds will be coming from the east at about 10 mph, with gusts reaching up to 17 mph. There is a possibility of light rain throughout the day, with total accumulation around 0.16 inches. As the afternoon progresses, the cloudy conditions are expected to persist, and the chance of rain remains high. Temperatures are likely to stay in the same cool range, and breezes from the east will continue at similar speeds. Overall, it will be a damp, breezy day with limited sunshine. Be prepared for possible showers if you're heading outdoors.

15-Day Weather Outlook for Java

TomorrowTomorrow Overcast Overcast 71°/60° 💧 0 in 💨 14 mph
Sunday, September 27Sun, Sep. 27 Mostly sunny Mostly sunny 69°/52° 💧 0 in 💨 11 mph
Monday, September 28Mon, Sep. 28 Light thunderstorms Light thunderstorms 60°/57° 💧 0 in 💨 14 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Java

Vertical axis: °F · Horizontal axis: hours · Color based on temperature
Overcast night · 12:00 AM
61° Tomorrow 12:00 AM
Overcast night · 1:00 AM
60° 1:00 AM
Overcast night · 2:00 AM
60° 2:00 AM
Overcast night · 3:00 AM
60° 3:00 AM
Overcast night · 4:00 AM
60° Tomorrow 4:00 AM
Overcast night · 5:00 AM
60° 5:00 AM
Overcast night · 6:00 AM
60° 6:00 AM
Overcast night · 7:00 AM
60° 7:00 AM
Overcast · 8:00 AM
60° Tomorrow 8:00 AM
Overcast · 9:00 AM
61° 9:00 AM
Overcast · 10:00 AM
62° 10:00 AM
Overcast · 11:00 AM
64° 11:00 AM
Overcast · 12:00 PM
66° Tomorrow 12:00 PM
Light rain · 1:00 PM
68° 1:00 PM
Overcast · 2:00 PM
70° 2:00 PM
Overcast · 3:00 PM
71° 3:00 PM
Light rain · 4:00 PM
71° Tomorrow 4:00 PM
Mostly sunny · 5:00 PM
71° 5:00 PM
Sunny · 6:00 PM
71° 6:00 PM
Sunny · 7:00 PM
68° 7:00 PM
Mostly clear night · 8:00 PM
65° Tomorrow 8:00 PM
Clear night · 9:00 PM
64° 9:00 PM
Clear night · 10:00 PM
63° 10:00 PM
Clear night · 11:00 PM
62° 11:00 PM
Clear night · 12:00 AM
61° Sunday 12:00 AM
Clear night · 1:00 AM
60° 1:00 AM
Mist at night · 2:00 AM
59° 2:00 AM
Mist at night · 3:00 AM
58° 3:00 AM
Mostly clear night · 4:00 AM
57° Sunday 4:00 AM
Clear night · 5:00 AM
55° 5:00 AM
Clear night · 6:00 AM
53° 6:00 AM
Clear night · 7:00 AM
52° 7:00 AM
Mostly cloudy · 8:00 AM
52° Sunday 8:00 AM
Partly cloudy · 9:00 AM
56° 9:00 AM
Mostly sunny · 10:00 AM
58° 10:00 AM
Mostly sunny · 11:00 AM
61° 11:00 AM
Sunny · 12:00 PM
66° Sunday 12:00 PM
Mostly sunny · 1:00 PM
68° 1:00 PM
Mostly sunny · 2:00 PM
69° 2:00 PM
Partly cloudy · 3:00 PM
69° 3:00 PM
Mostly cloudy · 4:00 PM
69° Sunday 4:00 PM
Partly cloudy · 5:00 PM
68° 5:00 PM
Partly cloudy · 6:00 PM
67° 6:00 PM
Mostly sunny · 7:00 PM
64° 7:00 PM
Mostly clear night · 8:00 PM
61° Sunday 8:00 PM
Mostly clear night · 9:00 PM
60° 9:00 PM
Mostly clear night · 10:00 PM
59° 10:00 PM
Mostly cloudy night · 11:00 PM
59° 11:00 PM
Partly cloudy night · 12:00 AM
58° Monday 12:00 AM
Mostly cloudy night · 1:00 AM
57° 1:00 AM
Mostly cloudy night · 2:00 AM
57° 2:00 AM
Mostly cloudy night · 3:00 AM
58° 3:00 AM
Overcast night · 4:00 AM
58° Monday 4:00 AM
Light rain · 5:00 AM
58° 5:00 AM
Light rain · 6:00 AM
59° 6:00 AM
Light thunderstorms · 7:00 AM
60° 7:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Java

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 12:00 AM
PM2.5 PM2.5 Good 2,8µg/m³

Air quality is favorable for outdoor activities.

PM10 PM10 Good 2,8µg/m³

Air quality is favorable for outdoor activities.

O₃ O₃ Good 49,6µg/m³

Air quality is favorable for outdoor activities.

NO₂ NO₂ Good 2,2µg/m³

Air quality is favorable for outdoor activities.

Air quality is favorable for outdoor activities.

HEALTH & EXPOSURE

UV, Sun & Health Outlook in Java

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 2,3Low 😊Good
Tomorrow UV 3,7Moderate 🙂Fair
Monday UV 0,0Low 🙂Fair
Hourly UV index tomorrow
7:00 AMUV 0,0 8:00 AMUV 0,0 9:00 AMUV 0,2 10:00 AMUV 0,5 11:00 AMUV 0,9 12:00 PMUV 1,3 1:00 PMUV 2,0 2:00 PMUV 1,8 3:00 PMUV 2,3 4:00 PMUV 1,7 5:00 PMUV 1,5 6:00 PMUV 1,3 7:00 PMUV 0,6
Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during 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 Java

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Tomorrow 12:00 AM 1:00 AM 2:00 AM 3:00 AM Tomorrow 4:00 AM 5:00 AM 6:00 AM 7:00 AM Tomorrow 8:00 AM 9:00 AM 10:00 AM 11:00 AM Tomorrow 12:00 PM 1:00 PM 2:00 PM 3:00 PM Tomorrow 4:00 PM 5:00 PM 6:00 PM 7:00 PM Tomorrow 8:00 PM 9:00 PM 10:00 PM 11:00 PM Sunday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Sunday 4:00 AM 5:00 AM 6:00 AM 7:00 AM Sunday 8:00 AM 9:00 AM 10:00 AM 11:00 AM Sunday 12:00 PM 1:00 PM 2:00 PM 3:00 PM Sunday 4:00 PM 5:00 PM 6:00 PM 7:00 PM Sunday 8:00 PM 9:00 PM 10:00 PM 11:00 PM Monday 12:00 AM 1:00 AM 2:00 AM 3:00 AM Monday 4:00 AM 5:00 AM 6:00 AM 7:00 AM
Sustained wind Max gusts

The technical data used to calculate this forecast for Java were updated today at 11:09 PM. The displayed forecasts cover the period through 27/09/2026 at 9:00 PM. Weather and air-quality data provided by WEATHER-INFO.COM. UV-index data derived from ECMWF UVB by WEATHER PORTAL. Weather information is generated automatically and periodically reviewed by our technical team.

NIGHT SKY · JAVA, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

18/100Best-hour score
No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.
☁ Cloud cover 100% Real hourly forecast for the best viewing hour.
☾ Moonlight 100% Full Moon · Moon about 14° above the horizon at the best viewing hour.
☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 56° high at the best hour.
✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.
Chance ≥1 meteor in 30 minNot meaningful
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.