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Weather data for Ralston is updated regularly with the latest available observations and forecasts.

Now · 10:49 a.m.

Ralston Weather & Hourly Forecast

Canada · Alberta

15°C

Mostly sunny

Feels like: 9°C

💧 Humidity 45% 🌡 Pressure 1010 hPa 💨 Wind 23 km/h 👁 Visibility 56.5 km ☁ Clouds 16% ☀️ UV index 2.3 · Low 🌅 Sunrise 7:16 a.m. 🌇 Sunset 7:15 p.m.

Hourly Forecast for Ralston

Today

11:00 a.m.

Mostly sunny

15° 💧 0.0 mm 💨 23 km/h 45%1010 hPa

2:00 p.m.

Mostly cloudy

16° 💧 0.8 mm 💨 17 km/h 40%1010 hPa

5:00 p.m.

Partly cloudy

13° 💧 0.1 mm 💨 18 km/h 58%1013 hPa

8:00 p.m.

Mostly clear night

10° 💧 0 mm 💨 9 km/h 59%1016 hPa

11:00 p.m.

Clear night

7° 💧 0 mm 💨 10 km/h 73%1019 hPa

Tomorrow

2:00 a.m.

Clear night

5° 💧 0 mm 💨 6 km/h 90%1020 hPa

5:00 a.m.

Clear night

4° 💧 0 mm 💨 2 km/h 95%1021 hPa

8:00 a.m.

Mostly sunny

4° 💧 0 mm 💨 5 km/h 98%1022 hPa

11:00 a.m.

Partly cloudy

12° 💧 0 mm 💨 10 km/h 51%1021 hPa

2:00 p.m.

Overcast

16° 💧 0 mm 💨 15 km/h 39%1018 hPa

5:00 p.m.

Overcast

16° 💧 0 mm 💨 9 km/h 31%1015 hPa

8:00 p.m.

Overcast night

12° 💧 0 mm 💨 6 km/h 45%1014 hPa

11:00 p.m.

Mostly cloudy night

10° 💧 0 mm 💨 7 km/h 56%1013 hPa

Monday

2:00 a.m.

Mostly clear night

7° 💧 0 mm 💨 5 km/h 67%1012 hPa

5:00 a.m.

Clear night

5° 💧 0 mm 💨 7 km/h 82%1012 hPa

8:00 a.m.

Sunny

4° 💧 0 mm 💨 8 km/h 82%1013 hPa

Today

11:00 a.m.

Mostly sunny

15° 💧 0 mm 💨 23 km/h 45%1010 hPa

12:00 p.m.

Sunny

15° 💧 0 mm 💨 22 km/h 42%1010 hPa

1:00 p.m.

Mostly sunny

16° 💧 0.0 mm 💨 18 km/h 39%1010 hPa

2:00 p.m.

Mostly cloudy

16° 💧 0.1 mm 💨 17 km/h 40%1010 hPa

3:00 p.m.

Light rain

12° 💧 0.2 mm 💨 24 km/h 71%1011 hPa

4:00 p.m.

Light rain

13° 💧 0.5 mm 💨 24 km/h 66%1012 hPa

5:00 p.m.

Partly cloudy

13° 💧 0.1 mm 💨 18 km/h 58%1013 hPa

6:00 p.m.

Mostly sunny

12° 💧 0 mm 💨 16 km/h 56%1014 hPa

7:00 p.m.

Mostly cloudy

11° 💧 0 mm 💨 12 km/h 57%1015 hPa

8:00 p.m.

Mostly clear night

10° 💧 0 mm 💨 9 km/h 59%1016 hPa

9:00 p.m.

Clear night

9° 💧 0 mm 💨 10 km/h 64%1017 hPa

10:00 p.m.

Clear night

8° 💧 0 mm 💨 11 km/h 68%1018 hPa

11:00 p.m.

Clear night

7° 💧 0 mm 💨 10 km/h 73%1019 hPa

Tomorrow

12:00 a.m.

Clear night

6° 💧 0 mm 💨 7 km/h 79%1019 hPa

1:00 a.m.

Clear night

6° 💧 0 mm 💨 6 km/h 85%1020 hPa

2:00 a.m.

Clear night

5° 💧 0 mm 💨 6 km/h 90%1020 hPa

3:00 a.m.

Clear night

5° 💧 0 mm 💨 5 km/h 91%1021 hPa

4:00 a.m.

Clear night

4° 💧 0 mm 💨 2 km/h 93%1021 hPa

5:00 a.m.

Clear night

4° 💧 0 mm 💨 2 km/h 95%1021 hPa

6:00 a.m.

Clear night

3° 💧 0 mm 💨 4 km/h 97%1022 hPa

7:00 a.m.

Clear night

3° 💧 0 mm 💨 3 km/h 99%1022 hPa

8:00 a.m.

Mostly sunny

4° 💧 0 mm 💨 5 km/h 98%1022 hPa

9:00 a.m.

Mostly sunny

7° 💧 0 mm 💨 6 km/h 84%1022 hPa

10:00 a.m.

Mostly sunny

10° 💧 0 mm 💨 7 km/h 64%1022 hPa

11:00 a.m.

Partly cloudy

12° 💧 0 mm 💨 10 km/h 51%1021 hPa

12:00 p.m.

Mostly cloudy

14° 💧 0 mm 💨 13 km/h 47%1020 hPa

1:00 p.m.

Overcast

15° 💧 0 mm 💨 15 km/h 46%1019 hPa

2:00 p.m.

Overcast

16° 💧 0 mm 💨 15 km/h 39%1018 hPa

3:00 p.m.

Overcast

16° 💧 0 mm 💨 12 km/h 35%1016 hPa

4:00 p.m.

Overcast

16° 💧 0 mm 💨 9 km/h 31%1016 hPa

5:00 p.m.

Overcast

16° 💧 0 mm 💨 9 km/h 31%1015 hPa

6:00 p.m.

Overcast

16° 💧 0 mm 💨 6 km/h 35%1014 hPa

7:00 p.m.

Overcast

13° 💧 0 mm 💨 4 km/h 44%1014 hPa

8:00 p.m.

Overcast night

12° 💧 0 mm 💨 6 km/h 45%1014 hPa

9:00 p.m.

Overcast night

12° 💧 0 mm 💨 7 km/h 47%1014 hPa

10:00 p.m.

Overcast night

11° 💧 0 mm 💨 7 km/h 49%1013 hPa

11:00 p.m.

Mostly cloudy night

10° 💧 0 mm 💨 7 km/h 56%1013 hPa

Monday

12:00 a.m.

Mostly clear night

8° 💧 0 mm 💨 5 km/h 63%1013 hPa

1:00 a.m.

Mostly clear night

8° 💧 0 mm 💨 5 km/h 66%1012 hPa

2:00 a.m.

Mostly clear night

7° 💧 0 mm 💨 5 km/h 67%1012 hPa

3:00 a.m.

Clear night

6° 💧 0 mm 💨 6 km/h 71%1012 hPa

4:00 a.m.

Clear night

5° 💧 0 mm 💨 7 km/h 77%1011 hPa

5:00 a.m.

Clear night

5° 💧 0 mm 💨 7 km/h 82%1012 hPa

6:00 a.m.

Clear night

4° 💧 0 mm 💨 7 km/h 85%1012 hPa

7:00 a.m.

Clear night

4° 💧 0 mm 💨 7 km/h 86%1012 hPa

8:00 a.m.

Sunny

4° 💧 0 mm 💨 8 km/h 82%1013 hPa

9:00 a.m.

Sunny

6° 💧 0 mm 💨 9 km/h 73%1013 hPa

10:00 a.m.

Sunny

9° 💧 0 mm 💨 8 km/h 64%1013 hPa

11:00 a.m.

Sunny

12° 💧 0 mm 💨 8 km/h 56%1012 hPa

12:00 p.m.

Sunny

14° 💧 0 mm 💨 10 km/h 48%1011 hPa

1:00 p.m.

Partly cloudy

16° 💧 0 mm 💨 13 km/h 43%1010 hPa

2:00 p.m.

Mostly cloudy

17° 💧 0 mm 💨 14 km/h 37%1009 hPa

3:00 p.m.

Overcast

18° 💧 0 mm 💨 13 km/h 30%1009 hPa

4:00 p.m.

Mostly cloudy

18° 💧 0 mm 💨 13 km/h 29%1008 hPa

5:00 p.m.

Sunny

18° 💧 0 mm 💨 12 km/h 28%1008 hPa

6:00 p.m.

Mostly sunny

17° 💧 0 mm 💨 10 km/h 33%1008 hPa

9:00 p.m.

Mostly clear night

12° 💧 0 mm 💨 13 km/h 46%1007 hPa

Tuesday

12:00 a.m.

Mostly cloudy night

11° 💧 0 mm 💨 15 km/h 50%1007 hPa

3:00 a.m.

Mostly cloudy night

11° 💧 0 mm 💨 18 km/h 45%1006 hPa

6:00 a.m.

Mostly clear night

11° 💧 0 mm 💨 21 km/h 42%1005 hPa

9:00 a.m.

Overcast

12° 💧 0 mm 💨 21 km/h 49%1006 hPa

12:00 p.m.

Mostly cloudy

14° 💧 0 mm 💨 19 km/h 51%1009 hPa

3:00 p.m.

Mostly sunny

16° 💧 0 mm 💨 12 km/h 36%1009 hPa

6:00 p.m.

Mostly cloudy

15° 💧 0 mm 💨 5 km/h 36%1009 hPa

9:00 p.m.

Mostly cloudy night

11° 💧 0 mm 💨 8 km/h 52%1009 hPa

Wednesday

12:00 a.m.

Mostly clear night

10° 💧 0 mm 💨 14 km/h 60%1008 hPa

3:00 a.m.

Mostly cloudy night

10° 💧 0 mm 💨 15 km/h 63%1007 hPa

6:00 a.m.

Overcast night

11° 💧 0 mm 💨 20 km/h 68%1005 hPa

12:00 p.m.

Partly cloudy

18° 💧 0 mm 💨 27 km/h 45%1001 hPa

6:00 p.m.

Mostly sunny

14° 💧 0 mm 💨 23 km/h 51%1007 hPa

Thursday

12:00 a.m.

Mostly cloudy night

7° 💧 0 mm 💨 5 km/h 83%1014 hPa

6:00 a.m.

Overcast night

8° 💧 0 mm 💨 11 km/h 83%1012 hPa

12:00 p.m.

Mostly cloudy

13° 💧 0 mm 💨 13 km/h 65%1009 hPa

6:00 p.m.

Overcast

13° 💧 0 mm 💨 18 km/h 60%1012 hPa

Friday

12:00 a.m.

Overcast night

8° 💧 0 mm 💨 14 km/h 70%1018 hPa

6:00 a.m.

Overcast night

7° 💧 0 mm 💨 11 km/h 75%1020 hPa

12:00 p.m.

Overcast

11° 💧 0 mm 💨 10 km/h 56%1022 hPa

6:00 p.m.

Sunny

13° 💧 0 mm 💨 10 km/h 47%1022 hPa

Saturday

12:00 a.m.

Mostly cloudy night

6° 💧 0 mm 💨 4 km/h 76%1025 hPa

6:00 a.m.

Clear night

4° 💧 0 mm 💨 4 km/h 91%1026 hPa

12:00 p.m.

Mostly cloudy

14° 💧 0 mm 💨 15 km/h 49%1024 hPa

6:00 p.m.

Overcast

15° 💧 0 mm 💨 16 km/h 47%1018 hPa

Sunday

12:00 a.m.

Overcast night

10° 💧 0 mm 💨 15 km/h 63%1014 hPa

6:00 a.m.

Overcast night

10° 💧 0 mm 💨 14 km/h 71%1009 hPa

12:00 p.m.

Mostly cloudy

18° 💧 0 mm 💨 15 km/h 47%1006 hPa

6:00 p.m.

Overcast

19° 💧 0 mm 💨 3 km/h 48%1003 hPa

Monday

12:00 a.m.

Mostly cloudy night

12° 💧 0 mm 💨 4 km/h 68%1004 hPa

6:00 a.m.

Clear night

8° 💧 0 mm 💨 14 km/h 93%1007 hPa

12:00 p.m.

Moderate rain

7° 💧 0 mm 💨 41 km/h 89%1015 hPa

6:00 p.m.

Sunny

10° 💧 0 mm 💨 22 km/h 48%1020 hPa

Tuesday

12:00 a.m.

Clear night

5° 💧 0 mm 💨 14 km/h 75%1025 hPa

6:00 a.m.

Mostly clear night

3° 💧 0 mm 💨 10 km/h 86%1028 hPa

12:00 p.m.

Mostly sunny

13° 💧 0 mm 💨 10 km/h 41%1027 hPa

6:00 p.m.

Partly cloudy

15° 💧 0 mm 💨 6 km/h 37%1023 hPa

Wednesday

12:00 a.m.

Mostly cloudy night

9° 💧 0 mm 💨 10 km/h 70%1023 hPa

6:00 a.m.

Partly cloudy night

8° 💧 0 mm 💨 14 km/h 73%1023 hPa

12:00 p.m.

Mostly sunny

18° 💧 0 mm 💨 13 km/h 44%1022 hPa

6:00 p.m.

Partly cloudy

20° 💧 0 mm 💨 8 km/h 45%1018 hPa

Thursday

12:00 a.m.

Mostly clear night

12° 💧 0 mm 💨 8 km/h 73%1018 hPa

6:00 a.m.

Clear night

9° 💧 0 mm 💨 12 km/h 78%1017 hPa

12:00 p.m.

Mostly cloudy

19° 💧 0 mm 💨 23 km/h 40%1018 hPa

6:00 p.m.

Sunny

18° 💧 0 mm 💨 14 km/h 45%1018 hPa

Friday

12:00 a.m.

Mostly clear night

9° 💧 0 mm 💨 7 km/h 86%1019 hPa

6:00 a.m.

Clear night

6° 💧 0 mm 💨 4 km/h 95%1019 hPa

15-Day Weather Outlook for Ralston

TomorrowTomorrow

Mostly sunny 16°/3° 💧 0 mm 💨 15 km/h

Monday 28 SeptemberMon 28 Sep.

Mostly sunny 18°/4° 💧 0 mm 💨 14 km/h

Tuesday 29 SeptemberTue 29 Sep.

Mostly cloudy 16°/11° 💧 0 mm 💨 21 km/h

Wednesday 30 SeptemberWed 30 Sep.

Overcast 18°/10° 💧 0.4 mm 💨 27 km/h

Thursday 1 OctoberThu 1 Oct.

Overcast 13°/7° 💧 0.7 mm 💨 18 km/h

Friday 2 OctoberFri 2 Oct.

Overcast 13°/7° 💧 0.3 mm 💨 14 km/h

Saturday 3 OctoberSat 3 Oct.

Mostly cloudy 15°/4° 💧 0 mm 💨 16 km/h

Sunday 4 OctoberSun 4 Oct.

Overcast 19°/10° 💧 0 mm 💨 15 km/h

Monday 5 OctoberMon 5 Oct.

Moderate rain 12°/7° 💧 7.2 mm 💨 41 km/h

Tuesday 6 OctoberTue 6 Oct.

Mostly sunny 15°/3° 💧 0 mm 💨 14 km/h

Wednesday 7 OctoberWed 7 Oct.

Mostly cloudy 20°/8° 💧 0 mm 💨 14 km/h

Thursday 8 OctoberThu 8 Oct.

Mostly sunny 19°/9° 💧 0 mm 💨 23 km/h

Friday 9 OctoberFri 9 Oct.

Mostly sunny 9°/6° 💧 0 mm 💨 7 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Ralston

Vertical axis: °C · Horizontal axis: hours · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Ralston

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 11:00 a.m.

PM2.5 PM2.5 Good 0,5µg/m³

Air quality is favorable for outdoor activities.

PM10 PM10 Good 0,5µg/m³

Air quality is favorable for outdoor activities.

O₃ O₃ Fair 88,1µg/m³

Air quality is acceptable for most people.

NO₂ NO₂ Good 0,3µg/m³

Air quality is favorable for outdoor activities.

Air quality is acceptable for most people.

HEALTH & EXPOSURE

UV, Sun & Health Outlook in Ralston

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 3,2Moderate 😐Moderate

Tomorrow UV 3,3Moderate 😐Moderate

Hourly UV index today

11:00 a.m.UV 2,3 12:00 p.m.UV 2,9 1:00 p.m.UV 3,3 2:00 p.m.UV 3,0 3:00 p.m.UV 2,2 4:00 p.m.UV 1,6 5:00 p.m.UV 1,6 6:00 p.m.UV 0,9 7:00 p.m.UV 0,3

Hourly UV index tomorrow

7:00 a.m.UV 0,0 8:00 a.m.UV 0,1 9:00 a.m.UV 0,6 10:00 a.m.UV 1,4 11:00 a.m.UV 2,2 12:00 p.m.UV 2,9 1:00 p.m.UV 3,2 2:00 p.m.UV 3,1 3:00 p.m.UV 2,7 4:00 p.m.UV 2,3 5:00 p.m.UV 1,6 6:00 p.m.UV 0,9 7:00 p.m.UV 0,3

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

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 Ralston

Vertical axis: km/h · Horizontal axis: hours

Sustained wind Max gusts

The technical data used to calculate this forecast for Ralston were updated today at 10:49 a.m.. The displayed forecasts cover the period through 28/09/2026 at 8:00 a.m.. 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 · RALSTON, ALBERTA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 10:00 PM–11:00 PM.

91/100Best-hour score

BEST TIME TONIGHT 10:00 PM–11:00 PM Astronomical darkness: 9:03 PM–5:30 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 100% Full Moon · Moon about 29° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 7° 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 min7%

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.