Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 22

Waxing Crescent 8%

09:27

20:46

00 Bad
01 Bad
02 Bad
03 Bad
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

Sun - Rise: 07:01, Set: 19:08, Transit: 13:05. Moon - Rise: 09:27, Set: 20:46. Civil Dark: 19:38 - 06:32. Nautical Dark: 20:12 - 05:58. Astro Dark: 20:47 - 05:22

Total Clouds (% Sky Obscured)

100
98
98
95
99
100
99
92
95
97
100
98
99
98
96
95
88
88
88
81
79
73
78
95

Low Clouds (% Sky Obscured)

94
88
88
89
90
100
98
18
67
82
100
96
98
98
95
95
87
87
83
76
71
63
38
32

Medium Clouds (% Sky Obscured)

88
63
73
70
95
73
95
89
89
95
88
66
63
60
51
32
15
9
12
6
18
41
70
93

High Clouds (% Sky Obscured)

98
92
91
73
94
68
48
63
42
42
82
87
57
0
5
3
13
13
31
23
30
21
20
36

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
8
9
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

-
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

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

Precipitation Probability (%)

21
15
13
18
19
28
35
35
36
45
38
28
6
5
7
10
7
4
5
15
27
33
33
31

Precipitation Amount (mm)

0.2
0.11
0.09
0.15
0.18
0.4
0.7
0.73
0.76
1.53
0.95
0.44
0.05
0.04
0.05
0.08
0.05
0.03
0.03
0.15
0.45
0.73
0.77
0.69

Wind Speed/Direction (mph)

18
14
11
13
14
11
12
15
14
11
10
11
10
7
7
7
8
10
12
12
12
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
3
2
2
2
2
1
0
1
2
3
5
7
10
11
12
11
10
6
4
3
3
3

Dew Point (°C)

3
3
3
2
2
2
2
1
1
1
2
2
3
2
3
3
3
3
3
3
2
2
2
2

Relative Humidity (%)

80
78
78
76
75
76
76
78
79
77
74
73
70
63
59
57
55
56
59
65
70
73
74
75

Pressure (mb)

1009
1009
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1011
1011
1010
1010
1010
1011
1012
1013
1014
1015
1016
1016

Ozone (du)

295
295
295
296
296
297
299
302
306
309
313
317
319
320
320
320
320
320
320
319
317
316
315
314

Saturday 23

Waxing Crescent 14%

10:30

21:16

00 Bad
01 Bad
02 Bad
03 Bad
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

Sun - Rise: 07:02, Set: 19:07, Transit: 13:04. Moon - Rise: 10:30, Set: 21:16. Civil Dark: 19:36 - 06:33. Nautical Dark: 20:10 - 05:59. Astro Dark: 20:45 - 05:24

Total Clouds (% Sky Obscured)

97
100
95
100
99
99
98
99
98
98
100
98
97
97
100
99
86
63
49
45
40
48
66
70

Low Clouds (% Sky Obscured)

46
65
34
88
97
98
95
98
97
97
98
98
96
97
93
88
66
56
47
41
39
48
66
70

Medium Clouds (% Sky Obscured)

96
100
94
100
99
98
94
91
95
95
98
91
80
59
55
44
26
18
28
20
11
7
5
5

High Clouds (% Sky Obscured)

41
22
0
0
0
0
0
0
0
22
73
2
0
0
81
91
50
11
4
2
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
10
10
10
10
10

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

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

Precipitation Probability (%)

27
19
7
2
1
2
3
4
7
10
13
16
19
25
31
34
30
23
17
13
11
10
10
12

Precipitation Amount (mm)

0.55
0.29
0.07
0.02
0.01
0.01
0.02
0.04
0.06
0.1
0.12
0.15
0.2
0.32
0.51
0.61
0.48
0.26
0.14
0.09
0.07
0.06
0.06
0.07

Wind Speed/Direction (mph)

9
9
8
8
8
8
8
8
8
9
9
11
11
12
12
13
13
13
13
12
12
11
11
10

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
5
5
5
6
7
7
7
7
7
7
7
7
6
6
6
6
6

Feels Like (°C)

2
2
2
2
2
2
2
2
2
2
3
3
4
4
4
4
4
4
3
3
3
3
3
3

Dew Point (°C)

1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Relative Humidity (%)

76
77
78
78
78
77
77
77
77
75
74
72
70
69
69
69
69
71
73
75
76
76
76
76

Pressure (mb)

1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019

Ozone (du)

313
313
314
315
314
313
312
312
312
312
313
314
314
314
313
312
311
310
309
309
308
308
308
308

Sunday 24

Waxing Crescent 22%

11:30

21:48

00 Bad
01 Bad
02 Bad
03 Bad
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

Sun - Rise: 07:04, Set: 19:05, Transit: 13:04. Moon - Rise: 11:30, Set: 21:48. Civil Dark: 19:34 - 06:34. Nautical Dark: 20:08 - 06:00. Astro Dark: 20:43 - 05:25

Total Clouds (% Sky Obscured)

65
79
86
77
65
66
58
61
61
50
44
52
63
63
63
63
63
63
50
50
50
50
50
50

Low Clouds (% Sky Obscured)

65
79
85
77
64
66
57
60
59
48
42
45
51
51
51
51
51
51
38
38
38
38
38
38

Medium Clouds (% Sky Obscured)

6
6
6
4
3
3
4
6
7
9
12
16
23
23
23
23
23
23
31
31
31
31
31
31

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
12
17
17
17
17
17
17
2
2
2
2
2
2

ISS Passover

Visibility (miles)

9
8
9
9
9
8
9
10
10
10
10
7
5
6
8
9
9
8
7
5
4
3
3
5

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

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

12
12
10
9
11
13
15
17
19
21
23
25
26
21
12
9
11
20
24
25
24
22
20
17

Precipitation Amount (mm)

0.08
0.07
0.05
0.05
0.06
0.09
0.12
0.16
0.21
0.27
0.32
0.4
0.41
0.23
0.07
0.05
0.07
0.21
0.38
0.42
0.39
0.35
0.27
0.19

Wind Speed/Direction (mph)

10
10
10
10
10
9
9
10
11
11
11
11
11
11
12
12
11
11
10
9
8
7
7
6

Chance of Frost

Temperature (°C)

6
6
5
5
5
5
5
5
5
6
6
6
7
7
8
8
8
8
8
7
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
3
2
2
2
2
2

Relative Humidity (%)

76
78
79
79
78
78
77
77
77
77
75
74
72
71
69
68
68
68
70
73
75
76
75
75

Pressure (mb)

1019
1019
1018
1018
1018
1018
1018
1018
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1018
1018
1019
1020
1020
1020

Ozone (du)

308
308
309
310
310
310
310
312
314
315
315
315
315
315
316
316
317
318
319
319
318
319
320
321

Monday 25

Waxing Crescent 30%

12:28

22:24

00 Bad
01 Bad
02 Bad
03 Bad
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

Sun - Rise: 07:05, Set: 19:03, Transit: 13:04. Moon - Rise: 12:28, Set: 22:24. Civil Dark: 19:32 - 06:36. Nautical Dark: 20:06 - 06:01. Astro Dark: 20:41 - 05:26

Total Clouds (% Sky Obscured)

71
71
71
71
71
71
96
96
96
96
96
96
71
71
71
71
71
71
71
71
71
71
71
71

Low Clouds (% Sky Obscured)

65
65
65
65
65
65
50
50
50
50
50
50
59
59
59
59
59
59
39
39
39
39
39
39

Medium Clouds (% Sky Obscured)

41
41
41
41
41
41
34
34
34
34
34
34
16
16
16
16
16
16
28
28
28
28
28
28

High Clouds (% Sky Obscured)

5
5
5
5
5
5
92
92
92
92
92
92
44
44
44
44
44
44
57
57
57
57
57
57

ISS Passover

Visibility (miles)

6
7
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

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

Precipitation Probability (%)

14
13
14
13
12
10
9
9
7
6
3
1
0
0
1
1
0
2
3
2
0
1
0
2

Precipitation Amount (mm)

0.14
0.12
0.13
0.12
0.09
0.07
0.06
0.06
0.04
0.02
0.01
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
6
6
7
7
8
9
9
9
10
10
10
10
9
8
7
6
6

Feels Like (°C)

3
3
3
3
3
3
3
6
6
6
7
7
8
9
9
10
10
10
10
9
8
7
6
5

Dew Point (°C)

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

Relative Humidity (%)

75
77
78
79
78
77
77
72
72
71
69
67
65
64
62
61
59
58
59
59
60
60
62
64

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1018
1017
1017
1016
1016
1016
1016
1016
1016
1017
1018
1018
1019

Ozone (du)

323
324
324
324
325
324
324
324
324
324
324
323
323
322
322
322
322
322
321
321
321
320
318
317

Tuesday 26

Waxing Crescent 40%

13:24

23:04

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

Sun - Rise: 07:06, Set: 19:01, Transit: 13:03. Moon - Rise: 13:24, Set: 23:04. Civil Dark: 19:30 - 06:37. Nautical Dark: 20:04 - 06:03. Astro Dark: 20:39 - 05:28

Total Clouds (% Sky Obscured)

16
16
16
16
16
16
38
38
38
38
38
38
9
9
9
9
9
9
14
14
14
14
14
14

Low Clouds (% Sky Obscured)

14
14
14
14
14
14
8
8
8
8
8
8
9
9
9
9
9
9
1
1
1
1
1
1

Medium Clouds (% Sky Obscured)

6
6
6
6
6
6
11
11
11
11
11
11
3
3
3
3
3
3
14
14
14
14
14
14

High Clouds (% Sky Obscured)

0
0
0
0
0
0
29
29
29
29
29
29
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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 (%)

3
2
0
0
0
0
2
2
1
0
0
1
0
0
0
0
0
0
1
1
1
1
1
1

Precipitation Amount (mm)

0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

4
4
4
4
3
3
3
3
3
4
4
5
5
5
4
4
4
2
3
3
3
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
3
3
3
3
4
4
4
5
7
8
10
11
12
12
12
11
10
8
6
5
5

Dew Point (°C)

-0
-0
-2
-2
-2
-2
-1
-1
-1
-1
0
1
2
2
2
2
2
2
2
2
2
1
1
-0

Relative Humidity (%)

66
66
63
62
63
65
66
67
67
66
64
61
59
56
53
50
49
51
54
59
64
67
67
66

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1017
1016
1016
1015
1015
1015
1015
1016
1017
1018
1020
1020
1021

Ozone (du)

315
313
314
313
313
313
313
311
308
306
303
299
297
295
294
293
291
290
290
290
290
290
290
291

Wednesday 27

First Quarter 49%

14:16

23:48

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

Sun - Rise: 07:07, Set: 18:59, Transit: 13:03. Moon - Rise: 14:16, Set: 23:48. Civil Dark: 19:28 - 06:38. Nautical Dark: 20:02 - 06:04. Astro Dark: 20:37 - 05:29

Total Clouds (% Sky Obscured)

88
88
88
88
88
88
89
89
89
89
89
89
34
34
34
34
34
34
29
29
29
29
29
29

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
14
14
14
14
14
14
9
9
9
9
9
9
6
6
6
6
6
6

Medium Clouds (% Sky Obscured)

6
6
6
6
6
6
35
35
35
35
35
35
32
32
32
32
32
32
27
27
27
27
27
27

High Clouds (% Sky Obscured)

88
88
88
88
88
88
83
83
83
83
83
83
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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

Precipitation Probability (%)

1
1
1
1
6
11
14
16
17
18
17
15
13
11
5
1
3
7
9
9
7
5
4
4

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.02
0.07
0.13
0.2
0.25
0.27
0.23
0.18
0.13
0.07
0.02
0.01
0.01
0.03
0.05
0.04
0.02
0.01
0
0.01

Wind Speed/Direction (mph)

4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
4
5
5
5
4
4
4
3
3

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
6
6
7
8
9
10
11
12
12
13
14
14
13
12
10
8
7
7

Feels Like (°C)

4
4
4
4
4
4
4
5
6
7
8
9
11
12
12
13
14
14
13
12
9
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

66
67
68
69
70
70
71
71
71
70
67
65
63
61
58
57
56
56
58
60
62
64
66
67

Pressure (mb)

1021
1022
1022
1023
1023
1024
1024
1025
1025
1025
1024
1024
1023
1023
1022
1022
1022
1022
1022
1023
1024
1025
1026
1026

Ozone (du)

291
291
291
291
290
290
290
289
288
288
288
288
287
287
287
286
286
285
283
282
281
280
279
278

Thursday 28

Waxing Gibbous 59%

15:05

No Set

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

Sun - Rise: 07:08, Set: 18:57, Transit: 13:03. Moon - Rise: 15:05, Set: No Set. Civil Dark: 19:26 - 06:39. Nautical Dark: 20:00 - 06:05. Astro Dark: 20:35 - 05:30

Total Clouds (% Sky Obscured)

23
23
23
23
23
23
9
9
9
9
9
9
16
16
16
16
16
16
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

20
20
20
20
20
20
4
4
4
4
4
4
1
1
1
1
1
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

19
19
19
19
19
19
2
2
2
2
2
2
1
1
1
1
1
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
5
5
5
5
5
5
15
15
15
15
15
15
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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 (%)

5
0
0
0
0
4
4
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.01
0
0
0
0
0
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
2
2
2
2
2
3
3
3
3
3
3
3
3
2
2
2
1
2
2
2
3
3
3

Chance of Frost

Temperature (°C)

6
6
6
5
5
5
5
5
7
9
11
14
16
17
17
18
18
19
18
15
12
9
8
8

Feels Like (°C)

6
6
6
5
5
5
5
5
7
9
11
14
16
17
17
18
18
19
18
15
12
9
8
8

Dew Point (°C)

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

Relative Humidity (%)

69
66
66
66
67
67
68
66
64
59
54
50
47
44
42
41
39
39
40
45
55
62
64
62

Pressure (mb)

1027
1026
1026
1027
1027
1027
1027
1027
1027
1026
1025
1024
1023
1022
1022
1021
1021
1020
1021
1021
1022
1023
1024
1024

Ozone (du)

278
277
276
276
274
273
272
272
272
272
271
270
269
268
267
266
265
264
263
263
262
261
261
260

Forecast for Carbon County, MT, USA (45.02,-108.25)

Generated: 22/09/17 00:24:16. Forecast: 22/09/17 to 28/09/17. Timezone: UTC-6.00