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As of 10:58 CDT

Weather in Merrimac, IA

79°Current weather

Merrimac, Sunday, 9 August, 10:58

Overcast. Feels like 79°. High 97°, low 68°.

Pressure29.88 inHg
Wind14.7 mph S
Humidity76%
Visibility6.2 mi
Dew point71°

10-day forecast for Merrimac, IA: 61° to 99°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

99°
Best day: Tuesday, August 11
75° · 0.94 in
Worst day: Thursday, August 13

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1095° / 74°0Overcast
MorningOvercast78°feels 79°
AfternoonOvercast91°feels 94°
EveningOvercast87°feels 92°
OvernightOvercast83°feels 84°
95 °Overcast

Merrimac, Monday, 10 August

Overcast. High 95°, low 74°.

Pressure29.85 inHg
Wind6.6 mph SW
Humidity51%
Visibility6.2 mi
Dew point68°
Tue, 1199° / 72°0Overcast
MorningOvercast77°feels 78°
AfternoonPartly cloudy96°feels 101°
EveningOvercast89°feels 94°
OvernightClear74°feels 75°
99 °Overcast

Merrimac, Tuesday, 11 August

Overcast. High 99°, low 72°.

Pressure29.74 inHg
Wind17.5 mph S
Humidity52%
Visibility6.2 mi
Dew point67°
Wed, 1289° / 69°0.02Light rain
MorningClear75°feels 76°
AfternoonOvercast89°feels 95°
EveningLight rain76°feels 77°
OvernightOvercast72°feels 72°
89 °Light rain

Merrimac, Wednesday, 12 August

Light rain. High 89°, low 69°.

Pressure29.85 inHg
Wind9.2 mph NE
Humidity65%
Visibility6.2 mi
Dew point73°
Thu, 1375° / 65°0.94Heavy rain
MorningOvercast70°feels 71°
AfternoonHeavy rain74°feels 75°
EveningHeavy rain68°feels 69°
OvernightRain70°feels 71°
75 °Heavy rain

Merrimac, Thursday, 13 August

Heavy rain. High 75°, low 65°.

Pressure29.91 inHg
Wind15.5 mph E
Humidity88%
Visibility—
Dew point70°
Fri, 1474° / 64°0.43Light rain
MorningLight rain67°feels 68°
AfternoonLight rain73°feels 74°
EveningLight rain70°feels 71°
OvernightLight rain66°feels 67°
74 °Light rain

Merrimac, Friday, 14 August

Light rain. High 74°, low 64°.

Pressure30.06 inHg
Wind16.4 mph E
Humidity82%
Visibility—
Dew point67°
Sat, 1585° / 65°0.19Light rain
MorningLight rain68°feels 69°
AfternoonLight rain77°feels 79°
EveningLight rain81°feels 88°
OvernightLight rain72°feels 74°
85 °Light rain

Merrimac, Saturday, 15 August

Light rain. High 85°, low 65°.

Pressure30.06 inHg
Wind13.8 mph SE
Humidity83%
Visibility—
Dew point69°
Sun, 1682° / 64°0.01Light rain
MorningLight rain72°feels 73°
AfternoonLight rain76°feels 77°
EveningLight rain73°feels 74°
OvernightLight rain65°feels 66°
82 °Light rain

Merrimac, Sunday, 16 August

Light rain. High 82°, low 64°.

Pressure30.09 inHg
Wind13.5 mph N
Humidity71%
Visibility—
Dew point65°
Mon, 1780° / 61°0Overcast
MorningOvercast66°feels 67°
AfternoonOvercast79°feels 79°
EveningOvercast74°feels 75°
OvernightOvercast67°feels 67°
80 °Overcast

Merrimac, Monday, 17 August

Overcast. High 80°, low 61°.

Pressure30.12 inHg
Wind7.1 mph SE
Humidity57%
Visibility—
Dew point61°
Tue, 1886° / 62°0.01Light rain
MorningLight rain68°feels 69°
AfternoonLight rain82°feels 86°
EveningLight rain82°feels 88°
OvernightLight rain72°feels 73°
86 °Light rain

Merrimac, Tuesday, 18 August

Light rain. High 86°, low 62°.

Pressure29.80 inHg
Wind7.8 mph S
Humidity67%
Visibility—
Dew point67°

About this forecast

How reliable is a 10-day forecast?

The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.

What does the time-of-day table show?

Temperature in Merrimac, IA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.

How is the best day chosen?

We weigh the daytime high against precipitation: a warm, dry day scores highest.