Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 4

%

No Rise

No Set

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 Bad
18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:31, Set: 19:29, Transit: 13:00. Moon - Rise: No Rise, Set: No Set. Civil Dark: 19:59 - 06:02. Nautical Dark: 20:34 - 05:27. Astro Dark: 21:11 - 04:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
69
23
19
34
21
23
43
69
48
56
95
90
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
71
91
100
100
93
66
23
19
34
21
23
21
6
1
1
1
1
1
1
1
1
1
1

Medium Clouds (% Sky Obscured)

20
0
0
0
2
2
6
0
3
26
9
23
11
0
0
0
59
36
77
55
91
97
55
100

High Clouds (% Sky Obscured)

100
100
100
95
65
44
10
3
2
34
0
0
33
62
47
43
91
89
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
2
2
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
9
10
10
10
10
10
10
11
11
11
10
10
8
7
4
4
3
1
1
3
4
4

Chance of Frost

Temperature (°C)

2
2
1
1
0
1
2
3
5
6
7
7
7
7
6
5
3
2
1
1
1
1
1
2

Feels Like (°C)

-2
-3
-3
-4
-4
-4
-3
-1
2
2
3
4
4
4
2
2
1
-1
-2
-1
-1
-2
-3
-2

Dew Point (°C)

1
1
0
-1
-1
-1
-1
-1
-1
-1
0
-0
0
0
1
1
1
1
0
0
-0
-0
-0
1

Relative Humidity (%)

93
93
94
91
89
86
81
73
68
65
63
60
61
63
71
78
89
94
93
93
91
91
93
93

Pressure (mb)

1020
1021
1022
1023
1024
1025
1026
1026
1026
1026
1026
1026
1026
1027
1027
1028
1030
1030
1030
1030
1030
1029
1029
1028

Ozone (du)

322
325
327
329
331
332
330
329
327
329
332
336
329
327
327
327
329
330
329
331
329
327
326
325

Saturday 5

%

No Rise

No Set

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:29, Set: 19:31, Transit: 13:00. Moon - Rise: No Rise, Set: No Set. Civil Dark: 20:00 - 06:00. Nautical Dark: 20:35 - 05:25. Astro Dark: 21:12 - 04:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
60
65
66
45
85
100
100
100
97
100
100
100
100
98
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
100
84
61
100
100
97
100
93
100
96
88
64
70
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
35
52
100
100
100
76
100
43
74
61
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
5
3
5
7
6
1
6
6
6
1
0
0
0
0
0
0
1
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
18

Precipitation Type

None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
None
None
None
Moderate Rain
Light Rain
Light Rain
Very Light Rain
None
Light Rain
None
None
None
Very Light Rain

Precipitation Probability (%)

5
56
84
72
90
74
79
94
95
95
95
38
26
62
95
95
95
80
63
95
53
29
45
61

Precipitation Amount (mm)

0
0.4
0.7
0.4
0.7
0.3
0.3
0.7
0.8
3
1
0
0
0
2.8
1.6
1.1
0.2
0
0.9
0
0
0
0.2

Wind Speed/Direction (mph)

5
5
5
6
6
8
11
15
15
15
13
12
12
10
10
10
9
7
7
5
4
7
9
9

Chance of Frost

Temperature (°C)

2
2
2
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
5
5
7
6
4

Feels Like (°C)

-1
-1
-1
-1
-1
-1
-1
-3
-3
-2
-2
-2
-1
0
-0
1
1
1
1
3
3
5
3
1

Dew Point (°C)

1
1
1
1
1
2
2
2
1
2
2
2
3
3
3
4
3
4
4
4
5
6
6
4

Relative Humidity (%)

91
91
89
89
89
91
93
93
89
91
94
94
94
98
98
100
98
100
100
98
100
98
98
98

Pressure (mb)

1027
1027
1026
1025
1025
1024
1022
1021
1019
1018
1018
1017
1016
1015
1014
1013
1012
1012
1011
1011
1010
1009
1009
1010

Ozone (du)

326
326
324
325
325
325
324
324
322
322
322
324
323
324
322
321
325
322
325
324
322
321
321
323

Sunday 6

%

No Rise

No Set

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:28, Set: 19:32, Transit: 13:00. Moon - Rise: No Rise, Set: No Set. Civil Dark: 20:01 - 05:58. Nautical Dark: 20:37 - 05:23. Astro Dark: 21:14 - 04:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
92
100
100
100
100
100
74
100
100
100
99
100
100
100
99

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
83
100
100
92
73
89
85
89
69
61
74
77
62
45
50
27
33
42

Medium Clouds (% Sky Obscured)

100
100
100
100
49
13
10
1
1
0
0
0
1
1
0
0
21
57
88
76
90
91
92
95

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
45
93
41
95
100
81
45
100
35
100
48
29
95
100
61
51
25

ISS Passover

Visibility (miles)

0
0
0
0
0
2
2
3
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

16
9
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

63
44
24
13
22
25
18
14
10
3
3
1
1
1
0
0
0
0
0
4
6
9
15
24

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
4
6
9
10
10
12
12
12
12
11
11
10
9
7
4
4
3
3
3
4
3
4

Chance of Frost

Temperature (°C)

4
3
3
3
2
2
2
3
3
3
3
3
3
3
2
1
-1
-1
-2
-2
-2
-2
-2
-2

Feels Like (°C)

0
0
0
-1
-2
-2
-2
-2
-3
-3
-2
-2
-2
-2
-3
-3
-3
-4
-4
-5
-5
-5
-4
-5

Dew Point (°C)

3
3
3
2
2
1
1
0
-1
-3
-5
-4
-5
-6
-5
-4
-4
-4
-4
-5
-5
-6
-6
-6

Relative Humidity (%)

96
100
98
98
96
93
91
83
80
68
59
59
57
54
59
69
78
81
81
81
81
75
74
74

Pressure (mb)

1010
1011
1010
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1013
1013
1012

Ozone (du)

322
323
323
324
324
323
323
325
328
331
333
338
339
340
341
342
345
346
344
346
345
344
343
341

Monday 7

%

No Rise

No Set

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:26, Set: 19:33, Transit: 12:59. Moon - Rise: No Rise, Set: No Set. Civil Dark: 20:03 - 05:56. Nautical Dark: 20:38 - 05:21. Astro Dark: 21:15 - 04:43

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
99
99
98
98
99
100
98
77
81
83
80
79
86
93
100
100
100

Low Clouds (% Sky Obscured)

61
62
91
100
100
100
100
99
98
97
95
94
92
93
68
76
81
69
56
86
93
100
93
85

Medium Clouds (% Sky Obscured)

97
98
99
100
100
100
100
98
97
96
97
99
71
47
44
39
29
38
44
58
65
7
14
22

High Clouds (% Sky Obscured)

0
32
63
95
60
32
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
6
8
0
2
0
0
0
1
1
1
1
2
2
7
9
9
9
9
4
0
0
0
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
Snow
Snow
Snow
None
None

Precipitation Probability (%)

27
64
91
95
95
95
95
95
95
84
82
78
69
73
69
61
46
32
30
73
59
43
31
26

Precipitation Amount (mm)

0
0.3
0.7
0.9
1
1.2
1.1
0.8
0.7
0.6
0.5
0.4
0.3
0.4
0.4
0.3
0.1
0
0
0.4
0.2
0.1
0
0

Wind Speed/Direction (mph)

3
4
3
2
1
2
2
3
3
2
2
2
2
3
4
5
7
6
6
5
6
6
7
6

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-2
-2
-1
-1
-0
0
0
0
0
1
0
-1
-2
-3
-3
-3
-3
-3
-4
-4

Feels Like (°C)

-5
-5
-5
-6
-5
-5
-4
-3
-3
-2
-3
-3
-3
-2
-3
-3
-4
-5
-6
-7
-7
-9
-10
-10

Dew Point (°C)

-5
-4
-4
-4
-4
-4
-4
-3
-3
-2
-2
-1
-2
-4
-4
-3
-3
-3
-4
-4
-3
-5
-5
-6

Relative Humidity (%)

78
86
87
89
84
86
81
83
81
84
86
91
83
74
73
84
94
96
94
96
94
89
91
87

Pressure (mb)

1011
1010
1010
1010
1010
1010
1009
1008
1007
1006
1005
1005
1004
1004
1004
1004
1005
1005
1005
1004
1004
1004
1005
1005

Ozone (du)

341
342
343
347
349
351
350
358
359
362
368
379
383
389
398
401
403
401
399
395
399
405
408
412

Tuesday 8

%

No Rise

No Set

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:24, Set: 19:34, Transit: 12:59. Moon - Rise: No Rise, Set: No Set. Civil Dark: 20:04 - 05:54. Nautical Dark: 20:39 - 05:19. Astro Dark: 21:17 - 04:41

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
89
85
79
88
91
94
91
89
87
80
71
63
71
84

Low Clouds (% Sky Obscured)

71
70
79
92
94
97
100
99
98
96
71
66
61
67
72
78
76
75
74
58
42
26
40
54

Medium Clouds (% Sky Obscured)

30
25
20
20
30
30
28
20
20
15
1
2
1
3
7
12
13
7
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
1
1
0
1
2
2
2
3
7
3
5
7
9
6
3
0
3
6
9
7
5
3
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

29
27
34
44
56
66
75
69
60
49
27
24
24
24
26
30
31
31
30
26
19
7
10
8

Precipitation Amount (mm)

0
0
0
0.1
0.2
0.4
0.5
0.4
0.3
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
5
6
7
7
9
12
12
12
13
13
12
12
11
10
10
9
8
7
6
5
5
4

Chance of Frost

Temperature (°C)

-4
-4
-5
-5
-5
-4
-4
-4
-4
-4
-3
-3
-3
-3
-3
-4
-5
-5
-5
-6
-6
-7
-7
-7

Feels Like (°C)

-10
-11
-11
-11
-12
-12
-11
-11
-11
-11
-10
-10
-10
-11
-10
-9
-9
-11
-10
-10
-10
-10
-11
-12

Dew Point (°C)

-6
-6
-7
-7
-7
-8
-8
-9
-9
-10
-10
-10
-9
-9
-8
-7
-6
-6
-7
-8
-8
-8
-8
-9

Relative Humidity (%)

89
85
85
85
81
76
72
68
64
60
57
58
60
60
69
79
90
89
85
82
85
87
90
90

Pressure (mb)

1006
1006
1007
1007
1008
1009
1009
1010
1010
1011
1011
1014
1015
1015
1016
1018
1019
1020
1021
1022
1023
1023
1024
1025

Ozone (du)

416
421
427
431
434
434
434
434
432
432
432
432
433
433
433
433
433
431
428
426
420
414
408
404

Wednesday 9

%

No Rise

No Set

04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:22, Set: 19:35, Transit: 12:59. Moon - Rise: No Rise, Set: No Set. Civil Dark: 20:05 - 05:53. Nautical Dark: 20:41 - 05:17. Astro Dark: 21:19 - 04:39

Total Clouds (% Sky Obscured)

94
84
73
61
74
87
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

69
70
72
61
74
87
100
87
74
60
51
53
62
60
55
52
68
79
82
88
94
100
97
95

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
8
14
18
22
24
41
65
87
97
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
3
23
30
30
29
26
15
1

ISS Passover

Visibility (miles)

6
8
8
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
5
5
2
10
12
11
9
7
2
2
1
0
0
0
0
1
4
6
20
27
31
32
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
4
4
4
5
5
6
6
6
7
6
6
6
4
3
3
3
3
3
4
5
6
7

Chance of Frost

Temperature (°C)

-7
-8
-7
-7
-6
-5
-3
-2
-1
0
1
1
1
1
0
-1
-1
-1
-1
-2
-2
-2
-2
-2

Feels Like (°C)

-11
-11
-11
-12
-12
-9
-8
-9
-8
-8
-7
-3
-3
-4
-3
-1
1
-6
-6
-7
-6
-6
-5
-5

Dew Point (°C)

-8
-9
-9
-9
-9
-10
-11
-12
-12
-12
-11
-11
-11
-11
-8
-6
-3
-3
-4
-4
-3
-3
-3
-3

Relative Humidity (%)

92
92
89
84
80
68
56
46
43
41
40
40
41
40
52
67
86
86
84
84
87
91
94
92

Pressure (mb)

1026
1026
1027
1027
1028
1028
1028
1028
1027
1027
1027
1026
1026
1025
1026
1026
1027
1026
1026
1026
1026
1026
1025
1025

Ozone (du)

401
397
396
395
395
396
397
398
396
394
392
390
388
386
387
388
389
391
392
394
394
394
394
393

Thursday 10

%

No Rise

No Set

Sun - Rise: 06:21, Set: 19:37, Transit: 12:59. Moon - Rise: No Rise, Set: No Set. Civil Dark: 20:06 - 05:51. Nautical Dark: 20:42 - 05:15. Astro Dark: 21:20 - 04:37

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Mount Arab, St. Lawrence, United States of America (44.10,-74.52)

Generated: 04/04/25 03:50:24. Forecast: 04/04/25 to 10/04/25. Timezone: UTC-4.00