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Current weather in Sweetwater is overcast clouds.

Where can I find the hourly weather forecast for Sweetwater?

This page shows hourly weather forecast for Sweetwater, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Sweetwater updated regularly?

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

Now · 12:35 PM

Sweetwater Weather & Hourly Forecast

United States · Idaho · 83540

75°F

Overcast

Feels like: 75°F

💧 Humidity 41% 🌡 Pressure 29.88 inHg 💨 Wind 1 mph 👁 Visibility 28.4 mi ☁ Clouds 100% ☀️ UV index 3.9 · Moderate 🌅 Sunrise 6:33 AM 🌇 Sunset 6:46 PM

Hourly Forecast for Sweetwater

Today

1:00 PM

Overcast

75° 💧 None 💨 1 mph H 41%29.88 inHg

4:00 PM

Overcast

78° 💧 None 💨 4 mph H 31%29.85 inHg

7:00 PM

Mostly cloudy night

69° 💧 None 💨 1 mph H 45%29.88 inHg

10:00 PM

Clear night

62° 💧 None 💨 1 mph H 58%29.94 inHg

Tomorrow

1:00 AM

Clear night

58° 💧 None 💨 2 mph H 60%30.00 inHg

4:00 AM

Mostly clear night

54° 💧 None 💨 3 mph H 66%30.03 inHg

7:00 AM

Partly cloudy

51° 💧 None 💨 2 mph H 74%30.06 inHg

10:00 AM

Mostly cloudy

63° 💧 None 💨 3 mph H 50%30.09 inHg

1:00 PM

Partly cloudy

72° 💧 None 💨 2 mph H 38%30.03 inHg

4:00 PM

Mostly cloudy

75° 💧 None 💨 1 mph H 30%29.97 inHg

7:00 PM

Clear night

65° 💧 None 💨 2 mph H 52%29.97 inHg

10:00 PM

Clear night

61° 💧 None 💨 1 mph H 59%30.00 inHg

Thursday

1:00 AM

Mostly clear night

57° 💧 None 💨 1 mph H 59%30.00 inHg

4:00 AM

Clear night

55° 💧 None 💨 1 mph H 63%30.00 inHg

7:00 AM

Sunny

53° 💧 None 💨 2 mph H 68%29.97 inHg

10:00 AM

Mostly sunny

63° 💧 None 💨 3 mph H 54%29.94 inHg

Today

1:00 PM

Overcast

75° 💧 None 💨 1 mph H 41%29.88 inHg

2:00 PM

Overcast

77° 💧 None 💨 2 mph H 39%29.85 inHg

3:00 PM

Overcast

78° 💧 None 💨 3 mph H 36%29.85 inHg

4:00 PM

Overcast

78° 💧 None 💨 4 mph H 31%29.85 inHg

5:00 PM

Mostly cloudy

77° 💧 None 💨 4 mph H 32%29.85 inHg

6:00 PM

Mostly cloudy

73° 💧 None 💨 2 mph H 47%29.85 inHg

7:00 PM

Mostly cloudy night

69° 💧 None 💨 1 mph H 45%29.88 inHg

8:00 PM

Mostly cloudy night

67° 💧 None 💨 0 mph H 49%29.91 inHg

9:00 PM

Mostly clear night

65° 💧 None 💨 0 mph H 53%29.91 inHg

10:00 PM

Clear night

62° 💧 None 💨 1 mph H 58%29.94 inHg

11:00 PM

Clear night

60° 💧 None 💨 2 mph H 60%29.97 inHg

Tomorrow

12:00 AM

Clear night

59° 💧 None 💨 2 mph H 60%29.97 inHg

1:00 AM

Clear night

58° 💧 None 💨 2 mph H 60%30.00 inHg

2:00 AM

Clear night

56° 💧 None 💨 3 mph H 62%30.00 inHg

3:00 AM

Clear night

55° 💧 None 💨 3 mph H 63%30.00 inHg

4:00 AM

Mostly clear night

54° 💧 None 💨 3 mph H 66%30.03 inHg

5:00 AM

Mostly clear night

53° 💧 None 💨 2 mph H 69%30.03 inHg

6:00 AM

Mostly clear night

51° 💧 None 💨 3 mph H 72%30.06 inHg

7:00 AM

Partly cloudy

51° 💧 None 💨 2 mph H 74%30.06 inHg

8:00 AM

Partly cloudy

55° 💧 None 💨 3 mph H 66%30.09 inHg

9:00 AM

Partly cloudy

59° 💧 None 💨 3 mph H 59%30.09 inHg

10:00 AM

Mostly cloudy

63° 💧 None 💨 3 mph H 50%30.09 inHg

11:00 AM

Mostly sunny

67° 💧 None 💨 3 mph H 44%30.06 inHg

12:00 PM

Mostly sunny

70° 💧 None 💨 2 mph H 40%30.06 inHg

1:00 PM

Partly cloudy

72° 💧 None 💨 2 mph H 38%30.03 inHg

2:00 PM

Mostly sunny

74° 💧 None 💨 3 mph H 35%30.03 inHg

3:00 PM

Partly cloudy

75° 💧 None 💨 1 mph H 32%30.00 inHg

4:00 PM

Mostly cloudy

75° 💧 None 💨 1 mph H 30%29.97 inHg

5:00 PM

Mostly sunny

74° 💧 None 💨 2 mph H 33%29.97 inHg

6:00 PM

Mostly sunny

70° 💧 None 💨 3 mph H 46%29.97 inHg

7:00 PM

Clear night

65° 💧 None 💨 2 mph H 52%29.97 inHg

8:00 PM

Clear night

63° 💧 None 💨 1 mph H 56%30.00 inHg

9:00 PM

Clear night

62° 💧 None 💨 1 mph H 58%30.00 inHg

10:00 PM

Clear night

61° 💧 None 💨 1 mph H 59%30.00 inHg

11:00 PM

Mostly clear night

59° 💧 None 💨 1 mph H 60%30.00 inHg

Thursday

12:00 AM

Clear night

59° 💧 None 💨 1 mph H 59%30.00 inHg

1:00 AM

Mostly clear night

57° 💧 None 💨 1 mph H 59%30.00 inHg

2:00 AM

Clear night

56° 💧 None 💨 2 mph H 60%30.00 inHg

3:00 AM

Partly cloudy night

55° 💧 None 💨 1 mph H 62%30.00 inHg

4:00 AM

Clear night

55° 💧 None 💨 1 mph H 63%30.00 inHg

5:00 AM

Partly cloudy night

54° 💧 None 💨 2 mph H 65%29.97 inHg

6:00 AM

Clear night

53° 💧 None 💨 2 mph H 66%29.97 inHg

7:00 AM

Sunny

53° 💧 None 💨 2 mph H 68%29.97 inHg

8:00 AM

Sunny

57° 💧 None 💨 3 mph H 61%29.97 inHg

9:00 AM

Mostly sunny

59° 💧 None 💨 3 mph H 59%29.94 inHg

10:00 AM

Mostly sunny

63° 💧 None 💨 3 mph H 54%29.94 inHg

11:00 AM

Sunny

67° 💧 None 💨 3 mph H 48%29.91 inHg

12:00 PM

Mostly sunny

72° 💧 None 💨 4 mph H 43%29.85 inHg

1:00 PM

Partly cloudy

76° 💧 None 💨 5 mph H 38%29.83 inHg

2:00 PM

Mostly cloudy

80° 💧 None 💨 5 mph H 34%29.80 inHg

3:00 PM

Mostly cloudy

83° 💧 None 💨 5 mph H 32%29.74 inHg

4:00 PM

Mostly cloudy

83° 💧 None 💨 5 mph H 32%29.71 inHg

5:00 PM

Partly cloudy

82° 💧 None 💨 3 mph H 36%29.71 inHg

6:00 PM

Partly cloudy

76° 💧 None 💨 2 mph H 51%29.68 inHg

7:00 PM

Partly cloudy night

71° 💧 None 💨 4 mph H 56%29.71 inHg

8:00 PM

Partly cloudy night

69° 💧 None 💨 4 mph H 56%29.71 inHg

9:00 PM

Mostly cloudy night

68° 💧 None 💨 2 mph H 54%29.71 inHg

10:00 PM

Overcast night

67° 💧 None 💨 0 mph H 54%29.71 inHg

11:00 PM

Mostly cloudy night

65° 💧 None 💨 1 mph H 57%29.71 inHg

Friday

12:00 AM

Overcast night

64° 💧 None 💨 1 mph H 57%29.71 inHg

1:00 AM

Mostly cloudy night

63° 💧 None 💨 3 mph H 56%29.71 inHg

2:00 AM

Mostly cloudy night

63° 💧 None 💨 2 mph H 55%29.71 inHg

3:00 AM

Mostly cloudy night

62° 💧 None 💨 1 mph H 54%29.71 inHg

4:00 AM

Mostly cloudy night

61° 💧 None 💨 1 mph H 57%29.71 inHg

5:00 AM

Mostly cloudy night

60° 💧 None 💨 2 mph H 59%29.71 inHg

8:00 AM

Mostly sunny

59° 💧 None 💨 3 mph H 50%29.77 inHg

11:00 AM

Partly cloudy

62° 💧 None 💨 5 mph H 45%29.77 inHg

2:00 PM

Moderate rain

54° 💧 None 💨 8 mph H 82%29.80 inHg

5:00 PM

Light rain

51° 💧 None 💨 7 mph H 94%29.85 inHg

8:00 PM

Mostly clear night

48° 💧 None 💨 12 mph H 77%29.94 inHg

11:00 PM

Partly cloudy night

46° 💧 None 💨 13 mph H 71%30.03 inHg

Saturday

2:00 AM

Mostly clear night

44° 💧 None 💨 10 mph H 75%30.09 inHg

5:00 AM

Clear night

42° 💧 None 💨 9 mph H 78%30.12 inHg

8:00 AM

Sunny

44° 💧 None 💨 8 mph H 66%30.15 inHg

11:00 AM

Sunny

52° 💧 None 💨 5 mph H 41%30.12 inHg

2:00 PM

Mostly sunny

56° 💧 None 💨 5 mph H 35%30.06 inHg

5:00 PM

Partly cloudy

54° 💧 None 💨 4 mph H 43%30.03 inHg

8:00 PM

Partly cloudy night

47° 💧 None 💨 1 mph H 58%30.06 inHg

11:00 PM

Mostly cloudy night

45° 💧 None 💨 2 mph H 62%30.03 inHg

Sunday

2:00 AM

Overcast night

43° 💧 None 💨 2 mph H 64%30.00 inHg

5:00 AM

Overcast night

44° 💧 None 💨 1 mph H 58%29.97 inHg

8:00 AM

Mostly cloudy

49° 💧 None 💨 1 mph H 61%29.97 inHg

11:00 AM

Partly cloudy

56° 💧 None 💨 4 mph H 49%29.94 inHg

2:00 PM

Partly cloudy

59° 💧 None 💨 6 mph H 38%29.91 inHg

5:00 PM

Mostly sunny

56° 💧 None 💨 6 mph H 45%29.91 inHg

8:00 PM

Partly cloudy night

48° 💧 None 💨 3 mph H 60%29.97 inHg

11:00 PM

Mostly clear night

46° 💧 None 💨 2 mph H 63%30.00 inHg

Monday

5:00 AM

Mostly cloudy night

53° 💧 None 💨 0 mph H 45%29.94 inHg

11:00 AM

Sunny

49° 💧 None 💨 1 mph H 51%29.94 inHg

5:00 PM

Mostly sunny

59° 💧 None 💨 4 mph H 43%29.97 inHg

11:00 PM

Clear night

61° 💧 None 💨 4 mph H 40%29.91 inHg

Tuesday

5:00 AM

Clear night

50° 💧 None 💨 1 mph H 54%29.91 inHg

11:00 AM

Partly cloudy

49° 💧 None 💨 2 mph H 55%29.91 inHg

5:00 PM

Partly cloudy

62° 💧 None 💨 3 mph H 42%29.91 inHg

11:00 PM

Clear night

64° 💧 None 💨 4 mph H 42%29.77 inHg

Wednesday

5:00 AM

Partly cloudy night

56° 💧 None 💨 0 mph H 49%29.74 inHg

11:00 AM

Partly cloudy

53° 💧 None 💨 1 mph H 47%29.80 inHg

5:00 PM

Mostly cloudy

61° 💧 None 💨 4 mph H 44%29.88 inHg

11:00 PM

Mostly clear night

60° 💧 None 💨 6 mph H 55%29.85 inHg

Thursday

5:00 AM

Mostly cloudy night

53° 💧 None 💨 0 mph H 68%29.85 inHg

11:00 AM

Mostly cloudy

49° 💧 None 💨 1 mph H 74%29.85 inHg

5:00 PM

Overcast

55° 💧 None 💨 5 mph H 63%29.94 inHg

11:00 PM

Clear night

57° 💧 None 💨 6 mph H 53%29.91 inHg

Friday

5:00 AM

Clear night

48° 💧 None 💨 1 mph H 56%29.97 inHg

11:00 AM

Sunny

45° 💧 None 💨 0 mph H 56%29.94 inHg

5:00 PM

Sunny

54° 💧 None 💨 6 mph H 38%30.00 inHg

11:00 PM

Mostly clear night

56° 💧 None 💨 5 mph H 38%30.00 inHg

Saturday

5:00 AM

Clear night

48° 💧 None 💨 0 mph H 50%30.09 inHg

11:00 AM

Sunny

46° 💧 None 💨 0 mph H 53%30.18 inHg

5:00 PM

Partly cloudy

57° 💧 None 💨 3 mph H 43%30.24 inHg

11:00 PM

Clear night

60° 💧 None 💨 5 mph H 41%30.21 inHg

Sunday

5:00 AM

Clear night

50° 💧 None 💨 2 mph H 50%30.21 inHg

11:00 AM

Sunny

49° 💧 None 💨 1 mph H 46%30.15 inHg

5:00 PM

Mostly sunny

64° 💧 None 💨 1 mph H 34%30.12 inHg

11:00 PM

Overcast night

66° 💧 None 💨 3 mph H 45%30.00 inHg

Monday

5:00 AM

Mostly cloudy night

59° 💧 None 💨 1 mph H 40%30.03 inHg

11:00 AM

Sunny

55° 💧 None 💨 1 mph H 43%30.06 inHg

5:00 PM

Partly cloudy

68° 💧 None 💨 2 mph H 34%30.09 inHg

11:00 PM

Clear night

71° 💧 None 💨 3 mph H 43%30.00 inHg

Tuesday

5:00 AM

Clear night

61° 💧 None 💨 2 mph H 36%30.00 inHg

11:00 AM

Sunny

62° 💧 None 💨 1 mph H 34%30.00 inHg

5:00 PM

Mostly sunny

75° 💧 None 💨 1 mph H 27%30.00 inHg

11:00 PM

Mostly clear night

78° 💧 None 💨 1 mph H 39%29.88 inHg

In Sweetwater and, more broadly, across the state of Idaho: Clear skies will prevail through the evening, with temperatures remaining cool at around 58 degrees. Light southeast winds will continue, reaching up to 2 mph with occasional gusts up to 7 mph. No precipitation is expected during this time, providing a calm and clear night ahead. Conditions are ideal for outdoor activities if you plan to be outside tonight. Temperatures are likely to stay steady in the low 50s later in the evening.

15-Day Weather Outlook for Sweetwater

TomorrowTomorrow

Mostly sunny 75°/51° 💧 None 💨 3 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 83°/53° 💧 None 💨 5 mph

Friday, Sep 25Fri Sep 25

Moderate rain 64°/46° 💧 0.285 in 💨 13 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 56°/42° 💧 None 💨 10 mph

Sunday, Sep 27Sun Sep 27

Overcast 59°/43° 💧 None 💨 6 mph

Monday, Sep 28Mon Sep 28

Mostly cloudy 61°/49° 💧 None 💨 4 mph

Tuesday, Sep 29Tue Sep 29

Partly cloudy 64°/49° 💧 None 💨 4 mph

Wednesday, Sep 30Wed Sep 30

Partly cloudy 61°/53° 💧 None 💨 6 mph

Thursday, Oct 1Thu Oct 1

Mostly cloudy 57°/49° 💧 None 💨 6 mph

Friday, Oct 2Fri Oct 2

Mostly sunny 56°/45° 💧 None 💨 6 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 60°/46° 💧 None 💨 5 mph

Sunday, Oct 4Sun Oct 4

Mostly sunny 66°/49° 💧 None 💨 3 mph

Monday, Oct 5Mon Oct 5

Mostly cloudy 71°/55° 💧 None 💨 3 mph

Tuesday, Oct 6Tue Oct 6

Mostly sunny 78°/61° 💧 None 💨 2 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Sweetwater

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Sweetwater

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 1:00 PM

PM2.5 Fine particles Good 2,0µg/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 2,6µg/m³

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

O₃ Ozone Fair 93,4µg/m³

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

NO₂ Nitrogen dioxide Good 0,4µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Sweetwater

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 4,3Moderate 🙂Fair

Tomorrow UV 4,7Moderate 🙂Fair

Thursday UV 4,3Moderate 😐Moderate

Friday UV 3,3Moderate 🙂Fair

Saturday UV 3,0Moderate 🙂Fair

Sunday UV 4,0Moderate —Unavailable

Monday UV 5,0Moderate —Unavailable

Hourly UV index today

1:00 PMUV 4,3 2:00 PMUV 3,9 3:00 PMUV 2,7 4:00 PMUV 1,6 5:00 PMUV 0,6 6:00 PMUV 0,1 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.

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 Sweetwater

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SWEETWATER, IDAHO

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

96/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 8:26 PM–4:54 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon about 9° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 49° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min42%

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.

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Forecast data for Sweetwater were last refreshed today at 12:35 PM. The current forecast period extends through 24/09/2026 at 10:00 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.