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As of 14:21 EDT

Weather in Derby, MI

78°Current weather

Derby, Saturday, 8 August, 14:21

Partly cloudy. Feels like 79°. High 81°, low 70°.

Pressure29.94 inHg
Wind11.3 mph NW
Humidity77%
Visibility6.2 mi
Dew point70°
Sun, 0981° / 64°1.23Heavy rain
81 °Heavy rain

Derby, Sunday, 9 August

Heavy rain. High 81°, low 64°.

Pressure30.00 inHg
Wind12.3 mph SW
Humidity72%
Visibility6.2 mi
Dew point68°
Mon, 1079° / 70°0.72Heavy rain
79 °Heavy rain

Derby, Monday, 10 August

Heavy rain. High 79°, low 70°.

Pressure29.91 inHg
Wind10.7 mph W
Humidity81%
Visibility6.2 mi
Dew point70°
Tue, 1178° / 69°0.19Light rain
78 °Light rain

Derby, Tuesday, 11 August

Light rain. High 78°, low 69°.

Pressure29.80 inHg
Wind9 mph W
Humidity84%
Visibility4.0 mi
Dew point72°
Wed, 1273° / 66°0Overcast
73 °Overcast

Derby, Wednesday, 12 August

Overcast. High 73°, low 66°.

Pressure29.85 inHg
Wind5.7 mph NW
Humidity82%
Visibility6.2 mi
Dew point65°
Thu, 1371° / 65°0.09Light rain
71 °Light rain

Derby, Thursday, 13 August

Light rain. High 71°, low 65°.

Pressure29.88 inHg
Wind20 mph N
Humidity78%
Visibility—
Dew point58°
Fri, 1469° / 59°0Clear
69 °Clear

Derby, Friday, 14 August

Clear. High 69°, low 59°.

Pressure30.15 inHg
Wind11.4 mph NE
Humidity62%
Visibility—
Dew point54°
Sat, 1572° / 66°0Light rain
72 °Light rain

Derby, Saturday, 15 August

Light rain. High 72°, low 66°.

Pressure30.21 inHg
Wind11.8 mph W
Humidity69%
Visibility—
Dew point59°
Sun, 1676° / 64°0.02Light rain
76 °Light rain

Derby, Sunday, 16 August

Light rain. High 76°, low 64°.

Pressure30.15 inHg
Wind6.4 mph S
Humidity64%
Visibility—
Dew point61°
Mon, 1773° / 65°0.08Light rain
73 °Light rain

Derby, Monday, 17 August

Light rain. High 73°, low 65°.

Pressure30.03 inHg
Wind12.9 mph E
Humidity76%
Visibility—
Dew point63°
Tue, 1873° / 64°0Overcast
73 °Overcast

Derby, Tuesday, 18 August

Overcast. High 73°, low 64°.

Pressure29.91 inHg
Wind8.4 mph W
Humidity81%
Visibility—
Dew point66°
Wed, 1972° / 66°0.04Light rain
72 °Light rain

Derby, Wednesday, 19 August

Light rain. High 72°, low 66°.

Pressure29.97 inHg
Wind20.5 mph N
Humidity84%
Visibility—
Dew point64°
Thu, 2065° / 55°0Clear
65 °Clear

Derby, Thursday, 20 August

Clear. High 65°, low 55°.

Pressure30.24 inHg
Wind17.6 mph NE
Humidity54%
Visibility—
Dew point46°
Fri, 2167° / 55°0Partly cloudy
67 °Partly cloudy

Derby, Friday, 21 August

Partly cloudy. High 67°, low 55°.

Pressure30.24 inHg
Wind10.2 mph NE
Humidity53%
Visibility—
Dew point46°
Sat, 2270° / 64°0.08Light rain
70 °Light rain

Derby, Saturday, 22 August

Light rain. High 70°, low 64°.

Pressure30.12 inHg
Wind13.2 mph NW
Humidity63%
Visibility—
Dew point55°
Sun, 2368° / 64°0.04Light rain
68 °Light rain

Derby, Sunday, 23 August

Light rain. High 68°, low 64°.

Pressure30.12 inHg
Wind13.6 mph NW
Humidity71%
Visibility—
Dew point58°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Derby, MI are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Derby, MI since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.