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As of 03:13 CDT

Weather in Siam, IA

75°Current weather

Siam, Sunday, 9 August, 03:13

Light rain. Feels like 77°. High 94°, low 75°.

Pressure29.88 inHg
Wind14.1 mph S
Humidity88%
Visibility6.2 mi
Dew point71°

10-day forecast for Siam, IA: 63° to 108°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.

108°
Best day: Tuesday, August 11
75° · 0.35 in
Worst day: Thursday, August 13

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

Mon, 1091° / 73°0Overcast
MorningOvercast74°feels 74°
AfternoonOvercast78°feels 77°
EveningMostly clear89°feels 91°
OvernightOvercast78°feels 80°
91 °Overcast

Siam, Monday, 10 August

Overcast. High 91°, low 73°.

Pressure29.85 inHg
Wind6 mph SE
Humidity38%
Visibility6.2 mi
Dew point61°
Tue, 11108° / 72°0.02Light rain
MorningMostly clear81°feels 82°
AfternoonPartly cloudy105°feels 104°
EveningOvercast89°feels 91°
OvernightClear83°feels 83°
108 °Light rain

Siam, Tuesday, 11 August

Light rain. High 108°, low 72°.

Pressure29.74 inHg
Wind14.1 mph SW
Humidity26%
Visibility6.2 mi
Dew point59°
Wed, 1291° / 69°0.03Light rain
MorningOvercast72°feels 73°
AfternoonOvercast87°feels 90°
EveningOvercast83°feels 87°
OvernightOvercast72°feels 72°
91 °Light rain

Siam, Wednesday, 12 August

Light rain. High 91°, low 69°.

Pressure29.83 inHg
Wind7.1 mph E
Humidity50%
Visibility6.2 mi
Dew point65°
Thu, 1375° / 66°0.35Rain
MorningRain71°feels 73°
AfternoonRain73°feels 74°
EveningRain68°feels 69°
OvernightMostly clear72°feels 73°
75 °Rain

Siam, Thursday, 13 August

Rain. High 75°, low 66°.

Pressure29.85 inHg
Wind23.4 mph E
Humidity94%
Visibility—
Dew point71°
Fri, 1468° / 63°0.2Light rain
MorningLight rain64°feels 65°
AfternoonLight rain67°feels 68°
EveningLight rain67°feels 68°
OvernightLight rain65°feels 65°
68 °Light rain

Siam, Friday, 14 August

Light rain. High 68°, low 63°.

Pressure30.06 inHg
Wind20.6 mph E
Humidity92%
Visibility—
Dew point64°
Sat, 1574° / 64°0.2Light rain
MorningLight rain65°feels 66°
AfternoonLight rain68°feels 69°
EveningLight rain71°feels 72°
OvernightLight rain67°feels 67°
74 °Light rain

Siam, Saturday, 15 August

Light rain. High 74°, low 64°.

Pressure30.12 inHg
Wind9.3 mph E
Humidity95%
Visibility—
Dew point65°
Sun, 1686° / 65°0.02Light rain
MorningLight rain70°feels 71°
AfternoonLight rain83°feels 85°
EveningLight rain80°feels 82°
OvernightLight rain70°feels 71°
86 °Light rain

Siam, Sunday, 16 August

Light rain. High 86°, low 65°.

Pressure30.12 inHg
Wind9.9 mph NE
Humidity57%
Visibility—
Dew point64°
Mon, 1784° / 69°0.05Light rain
MorningLight rain70°feels 71°
AfternoonLight rain76°feels 77°
EveningLight rain80°feels 83°
OvernightLight rain71°feels 71°
84 °Light rain

Siam, Monday, 17 August

Light rain. High 84°, low 69°.

Pressure30.06 inHg
Wind11.2 mph SE
Humidity77%
Visibility—
Dew point66°
Tue, 18104° / 68°0Overcast
MorningOvercast77°feels 78°
AfternoonOvercast95°feels 98°
EveningOvercast93°feels 96°
OvernightOvercast83°feels 84°
104 °Overcast

Siam, Tuesday, 18 August

Overcast. High 104°, low 68°.

Pressure29.83 inHg
Wind14.5 mph SE
Humidity38%
Visibility—
Dew point62°

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 Siam, 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.