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Current weather in Griggsville is clear sky.

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

Now · 2:44 AM

Griggsville Weather & Hourly Forecast

United States · Illinois · 62340

68°F

Clear night

Feels like: 71°F

💧 Humidity 96% 🌡 Pressure 29.83 inHg 💨 Wind 4 mph 👁 Visibility 10.2 mi ☁ Clouds 1% ☀️ UV index 0.0 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Griggsville

Today

3:00 AM

Clear night

68° 💧 None 💨 4 mph H 96%29.83 inHg

6:00 AM

Mostly clear night

67° 💧 None 💨 4 mph H 97%29.85 inHg

9:00 AM

Sunny

74° 💧 None 💨 4 mph H 86%29.88 inHg

12:00 PM

Partly cloudy

83° 💧 None 💨 6 mph H 63%29.91 inHg

3:00 PM

Sunny

87° 💧 None 💨 4 mph H 53%29.88 inHg

6:00 PM

Sunny

85° 💧 None 💨 3 mph H 62%29.85 inHg

9:00 PM

Mostly cloudy night

78° 💧 None 💨 5 mph H 79%29.91 inHg

Tomorrow

12:00 AM

Clear night

74° 💧 None 💨 7 mph H 84%29.94 inHg

3:00 AM

Mostly clear night

71° 💧 None 💨 6 mph H 88%29.97 inHg

6:00 AM

Mostly clear night

69° 💧 None 💨 4 mph H 92%30.00 inHg

9:00 AM

Mostly cloudy

73° 💧 None 💨 5 mph H 77%30.03 inHg

12:00 PM

Mostly cloudy

81° 💧 None 💨 3 mph H 64%30.03 inHg

3:00 PM

Overcast

78° 💧 None 💨 15 mph H 51%30.00 inHg

6:00 PM

Partly cloudy

75° 💧 0.008 in 💨 9 mph H 54%30.03 inHg

9:00 PM

Thunderstorms

66° 💧 0.520 in 💨 9 mph H 87%30.09 inHg

Monday

12:00 AM

Light rain

64° 💧 0.014 in 💨 7 mph H 91%30.12 inHg

Today

3:00 AM

Clear night

68° 💧 None 💨 4 mph H 96%29.83 inHg

4:00 AM

Clear night

67° 💧 None 💨 4 mph H 97%29.83 inHg

5:00 AM

Clear night

67° 💧 None 💨 4 mph H 97%29.85 inHg

6:00 AM

Mostly clear night

67° 💧 None 💨 4 mph H 97%29.85 inHg

7:00 AM

Sunny

67° 💧 None 💨 5 mph H 96%29.85 inHg

8:00 AM

Sunny

70° 💧 None 💨 5 mph H 92%29.88 inHg

9:00 AM

Sunny

74° 💧 None 💨 4 mph H 86%29.88 inHg

10:00 AM

Partly cloudy

77° 💧 None 💨 5 mph H 78%29.88 inHg

11:00 AM

Mostly cloudy

81° 💧 None 💨 6 mph H 71%29.88 inHg

12:00 PM

Partly cloudy

83° 💧 None 💨 6 mph H 63%29.91 inHg

1:00 PM

Partly cloudy

85° 💧 None 💨 6 mph H 57%29.88 inHg

2:00 PM

Mostly sunny

87° 💧 None 💨 5 mph H 54%29.88 inHg

3:00 PM

Sunny

87° 💧 None 💨 4 mph H 53%29.88 inHg

4:00 PM

Sunny

88° 💧 None 💨 4 mph H 53%29.85 inHg

5:00 PM

Mostly sunny

87° 💧 None 💨 4 mph H 53%29.85 inHg

6:00 PM

Sunny

85° 💧 None 💨 3 mph H 62%29.85 inHg

7:00 PM

Mostly sunny

82° 💧 None 💨 3 mph H 72%29.85 inHg

8:00 PM

Mostly clear night

79° 💧 None 💨 4 mph H 77%29.88 inHg

9:00 PM

Mostly cloudy night

78° 💧 None 💨 5 mph H 79%29.91 inHg

10:00 PM

Partly cloudy night

77° 💧 None 💨 4 mph H 80%29.94 inHg

11:00 PM

Partly cloudy night

76° 💧 None 💨 5 mph H 84%29.94 inHg

Tomorrow

12:00 AM

Clear night

74° 💧 None 💨 7 mph H 84%29.94 inHg

1:00 AM

Mostly clear night

73° 💧 None 💨 5 mph H 86%29.94 inHg

2:00 AM

Partly cloudy night

72° 💧 None 💨 5 mph H 87%29.97 inHg

3:00 AM

Mostly clear night

71° 💧 None 💨 6 mph H 88%29.97 inHg

4:00 AM

Mostly clear night

70° 💧 None 💨 6 mph H 89%29.97 inHg

5:00 AM

Mostly clear night

69° 💧 None 💨 5 mph H 91%29.97 inHg

6:00 AM

Mostly clear night

69° 💧 None 💨 4 mph H 92%30.00 inHg

7:00 AM

Partly cloudy

68° 💧 None 💨 5 mph H 91%30.00 inHg

8:00 AM

Mostly cloudy

70° 💧 None 💨 5 mph H 84%30.03 inHg

9:00 AM

Mostly cloudy

73° 💧 None 💨 5 mph H 77%30.03 inHg

10:00 AM

Mostly cloudy

76° 💧 None 💨 3 mph H 71%30.03 inHg

11:00 AM

Mostly cloudy

79° 💧 None 💨 3 mph H 67%30.03 inHg

12:00 PM

Mostly cloudy

81° 💧 None 💨 3 mph H 64%30.03 inHg

1:00 PM

Overcast

83° 💧 None 💨 5 mph H 61%30.00 inHg

2:00 PM

Overcast

83° 💧 None 💨 9 mph H 58%30.00 inHg

3:00 PM

Overcast

78° 💧 None 💨 15 mph H 51%30.00 inHg

4:00 PM

Mostly sunny

76° 💧 None 💨 12 mph H 54%30.03 inHg

5:00 PM

Mostly sunny

76° 💧 None 💨 10 mph H 52%30.03 inHg

6:00 PM

Partly cloudy

75° 💧 None 💨 9 mph H 54%30.03 inHg

7:00 PM

Partly cloudy

73° 💧 None 💨 7 mph H 58%30.03 inHg

8:00 PM

Light thunderstorms

71° 💧 0.008 in 💨 7 mph H 64%30.06 inHg

9:00 PM

Thunderstorms

66° 💧 0.176 in 💨 9 mph H 87%30.09 inHg

10:00 PM

Thunderstorms

64° 💧 0.287 in 💨 9 mph H 92%30.12 inHg

11:00 PM

Light thunderstorms

65° 💧 0.057 in 💨 7 mph H 90%30.12 inHg

Monday

12:00 AM

Light rain

64° 💧 0.014 in 💨 7 mph H 91%30.12 inHg

1:00 AM

Overcast night

64° 💧 None 💨 6 mph H 90%30.12 inHg

2:00 AM

Overcast night

65° 💧 None 💨 8 mph H 86%30.12 inHg

3:00 AM

Overcast night

64° 💧 None 💨 9 mph H 78%30.12 inHg

4:00 AM

Overcast night

64° 💧 None 💨 9 mph H 71%30.15 inHg

5:00 AM

Overcast night

64° 💧 None 💨 9 mph H 69%30.15 inHg

6:00 AM

Light rain

62° 💧 0.026 in 💨 8 mph H 79%30.15 inHg

7:00 AM

Thunderstorms

61° 💧 0.105 in 💨 8 mph H 91%30.15 inHg

8:00 AM

Light thunderstorms

62° 💧 0.084 in 💨 9 mph H 91%30.18 inHg

9:00 AM

Light thunderstorms

64° 💧 0.021 in 💨 9 mph H 85%30.18 inHg

10:00 AM

Light thunderstorms

66° 💧 0.027 in 💨 10 mph H 79%30.18 inHg

11:00 AM

Mostly cloudy

69° 💧 0.001 in 💨 10 mph H 67%30.15 inHg

12:00 PM

Partly cloudy

73° 💧 None 💨 11 mph H 62%30.12 inHg

1:00 PM

Overcast

75° 💧 None 💨 11 mph H 59%30.09 inHg

2:00 PM

Mostly cloudy

77° 💧 None 💨 11 mph H 59%30.06 inHg

3:00 PM

Sunny

79° 💧 None 💨 12 mph H 59%30.03 inHg

4:00 PM

Sunny

79° 💧 None 💨 12 mph H 59%30.00 inHg

5:00 PM

Sunny

80° 💧 None 💨 11 mph H 61%30.00 inHg

6:00 PM

Sunny

78° 💧 None 💨 10 mph H 66%29.97 inHg

7:00 PM

Sunny

76° 💧 None 💨 10 mph H 69%29.97 inHg

10:00 PM

Clear night

75° 💧 None 💨 12 mph H 71%29.97 inHg

Tuesday

1:00 AM

Clear night

76° 💧 None 💨 13 mph H 84%29.94 inHg

4:00 AM

Clear night

76° 💧 None 💨 11 mph H 86%29.94 inHg

7:00 AM

Sunny

75° 💧 None 💨 10 mph H 80%29.97 inHg

10:00 AM

Sunny

83° 💧 None 💨 9 mph H 67%30.00 inHg

1:00 PM

Sunny

91° 💧 None 💨 10 mph H 55%30.00 inHg

4:00 PM

Sunny

93° 💧 None 💨 9 mph H 48%29.97 inHg

7:00 PM

Mostly sunny

85° 💧 None 💨 1 mph H 73%30.00 inHg

10:00 PM

Clear night

79° 💧 None 💨 3 mph H 86%30.06 inHg

Wednesday

1:00 AM

Clear night

75° 💧 None 💨 2 mph H 93%30.09 inHg

4:00 AM

Overcast night

72° 💧 None 💨 5 mph H 99%30.09 inHg

7:00 AM

Overcast

70° 💧 None 💨 3 mph H 100%30.15 inHg

10:00 AM

Partly cloudy

82° 💧 None 💨 4 mph H 70%30.18 inHg

1:00 PM

Mostly sunny

91° 💧 None 💨 7 mph H 52%30.15 inHg

4:00 PM

Mostly sunny

93° 💧 None 💨 8 mph H 47%30.09 inHg

7:00 PM

Mostly sunny

85° 💧 None 💨 6 mph H 65%30.09 inHg

10:00 PM

Clear night

81° 💧 None 💨 9 mph H 67%30.12 inHg

Thursday

1:00 AM

Clear night

80° 💧 None 💨 10 mph H 67%30.12 inHg

4:00 AM

Mostly clear night

78° 💧 None 💨 9 mph H 69%30.12 inHg

7:00 AM

Partly cloudy

76° 💧 None 💨 7 mph H 70%30.15 inHg

10:00 AM

Mostly sunny

83° 💧 None 💨 4 mph H 64%30.18 inHg

1:00 PM

Mostly sunny

91° 💧 None 💨 4 mph H 51%30.12 inHg

4:00 PM

Mostly sunny

92° 💧 None 💨 5 mph H 48%30.06 inHg

7:00 PM

Mostly sunny

82° 💧 None 💨 1 mph H 83%30.09 inHg

Friday

1:00 AM

Clear night

78° 💧 None 💨 7 mph H 81%30.09 inHg

7:00 AM

Mostly sunny

71° 💧 None 💨 3 mph H 98%30.09 inHg

1:00 PM

Sunny

92° 💧 None 💨 8 mph H 44%30.00 inHg

7:00 PM

Sunny

83° 💧 None 💨 5 mph H 57%29.91 inHg

Saturday

1:00 AM

Mostly cloudy night

72° 💧 None 💨 4 mph H 89%29.91 inHg

7:00 AM

Overcast

72° 💧 None 💨 6 mph H 95%29.91 inHg

1:00 PM

Mostly cloudy

77° 💧 None 💨 10 mph H 65%29.91 inHg

7:00 PM

Mostly sunny

72° 💧 None 💨 12 mph H 67%29.91 inHg

Sunday

1:00 AM

Mostly cloudy night

66° 💧 None 💨 12 mph H 78%30.00 inHg

7:00 AM

Sunny

61° 💧 None 💨 9 mph H 83%30.06 inHg

1:00 PM

Sunny

74° 💧 None 💨 11 mph H 49%30.09 inHg

7:00 PM

Sunny

68° 💧 None 💨 9 mph H 51%30.06 inHg

Monday

1:00 AM

Clear night

59° 💧 None 💨 8 mph H 73%30.12 inHg

7:00 AM

Sunny

52° 💧 None 💨 6 mph H 84%30.15 inHg

1:00 PM

Overcast

70° 💧 None 💨 6 mph H 48%30.09 inHg

7:00 PM

Overcast

65° 💧 None 💨 6 mph H 53%30.00 inHg

Tuesday

1:00 AM

Overcast night

59° 💧 None 💨 5 mph H 66%30.06 inHg

7:00 AM

Sunny

52° 💧 None 💨 3 mph H 86%30.06 inHg

1:00 PM

Sunny

73° 💧 None 💨 4 mph H 40%30.06 inHg

7:00 PM

Sunny

66° 💧 None 💨 4 mph H 57%30.03 inHg

Wednesday

1:00 AM

Clear night

57° 💧 None 💨 4 mph H 79%30.09 inHg

7:00 AM

Sunny

52° 💧 None 💨 3 mph H 90%30.15 inHg

1:00 PM

Sunny

76° 💧 None 💨 5 mph H 37%30.15 inHg

7:00 PM

Clear night

70° 💧 None 💨 6 mph H 50%30.12 inHg

Thursday

1:00 AM

Clear night

60° 💧 None 💨 4 mph H 73%30.15 inHg

7:00 AM

Sunny

56° 💧 None 💨 4 mph H 86%30.21 inHg

1:00 PM

Sunny

80° 💧 None 💨 5 mph H 44%30.21 inHg

7:00 PM

Clear night

74° 💧 None 💨 6 mph H 47%30.15 inHg

Friday

1:00 AM

Clear night

64° 💧 None 💨 4 mph H 76%30.21 inHg

7:00 AM

Sunny

58° 💧 None 💨 3 mph H 90%30.24 inHg

1:00 PM

Sunny

81° 💧 None 💨 4 mph H 42%30.21 inHg

7:00 PM

Clear night

75° 💧 None 💨 3 mph H 56%30.15 inHg

Saturday

1:00 AM

Clear night

63° 💧 None 💨 3 mph H 79%30.18 inHg

7:00 AM

Sunny

59° 💧 None 💨 3 mph H 92%30.15 inHg

1:00 PM

Sunny

82° 💧 None 💨 5 mph H 42%30.09 inHg

7:00 PM

Clear night

76° 💧 None 💨 4 mph H 53%30.00 inHg

In Griggsville and, more broadly, across the state of Illinois: The evening will be mostly cloudy with mild to warm temperatures settling between 76 and 78 degrees Fahrenheit. Winds will be light from the southeast at around 8 mph, with occasional gusts reaching up to 18 mph. No significant rainfall is expected during the next few hours, so conditions will remain dry. The skies may occasionally reveal some clearer patches, but overall, clouds will dominate the evening. Temperatures are likely to stay steady through the night, gradually cooling down as the evening progresses. Residents can expect a calm and relatively warm night ahead, with no weather-related disruptions anticipated.

15-Day Weather Outlook for Griggsville

TomorrowTomorrow

Mostly sunny 80°/65° 💧 None 💨 12 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 78°/62° 💧 0.950 in 💨 13 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 89°/72° 💧 0.093 in 💨 13 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 88°/71° 💧 0.009 in 💨 10 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 89°/73° 💧 0.040 in 💨 5 mph

Friday, Sep 18Fri Sep 18

Moderate rain 73°/68° 💧 0.490 in 💨 9 mph

Saturday, Sep 19Sat Sep 19

Overcast 80°/75° 💧 0.134 in 💨 12 mph

Sunday, Sep 20Sun Sep 20

Overcast 90°/68° 💧 None 💨 10 mph

Monday, Sep 21Mon Sep 21

Mostly sunny 86°/71° 💧 0.001 in 💨 8 mph

Tuesday, Sep 22Tue Sep 22

Overcast 78°/58° 💧 0.037 in 💨 13 mph

Wednesday, Sep 23Wed Sep 23

Mostly cloudy 67°/54° 💧 None 💨 12 mph

Thursday, Sep 24Thu Sep 24

Overcast 66°/58° 💧 0.001 in 💨 7 mph

Friday, Sep 25Fri Sep 25

Light rain 64°/53° 💧 0.016 in 💨 9 mph

Saturday, Sep 26Sat Sep 26

Overcast 67°/50° 💧 0.001 in 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Griggsville

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Griggsville

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 3:00 AM

PM2.5 Fine particles Good 2,6µg/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 2,7µg/m³

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

O₃ Ozone Good 28,5µg/m³

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

NO₂ Nitrogen dioxide Good 1,6µg/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 Griggsville

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 7,1High 😊Good

Tomorrow UV 7,0High 🙂Fair

Monday UV 7,0High 😐Moderate

Tuesday UV 8,0Very high 🙂Fair

Wednesday UV 9,0Very high 😊Good

Thursday UV 7,0High —Unavailable

Friday UV 6,0High —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,4 9:00 AMUV 1,4 10:00 AMUV 3,0 11:00 AMUV 5,0 12:00 PMUV 6,4 1:00 PMUV 7,1 2:00 PMUV 6,6 3:00 PMUV 5,1 4:00 PMUV 3,2 5:00 PMUV 1,5 6:00 PMUV 0,5

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

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 Griggsville

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · GRIGGSVILLE, ILLINOIS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

95/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 8:50 PM–5:09 AM

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

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 81° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min79%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

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

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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Griggsville were last refreshed today at 2:44 AM. The current forecast period extends through 14/09/2026 at 12:00 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.