Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 17%

09:30

00:21

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

Sun - Rise: 06:25, Set: 19:51, Transit: 13:09. Moon - Rise: 09:30, Set: 00:21. Civil Dark: 20:19 - 05:58. Nautical Dark: 20:52 - 05:25. Astro Dark: 21:26 - 04:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
87
83
59
21
1
1
1
1
2
3
3
3
3
0
0
0
0
39
79

Low Clouds (% Sky Obscured)

0
49
0
9
5
1
17
10
2
1
1
1
1
1
0
0
0
0
0
0
0
0
5
0

Medium Clouds (% Sky Obscured)

93
92
54
71
87
80
73
46
21
0
0
0
0
0
0
0
0
0
0
0
0
0
39
79

High Clouds (% Sky Obscured)

100
100
96
97
5
4
5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
3
1
3
2
5
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 (%)

5
14
15
25
26
30
20
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5

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)

14
15
10
7
6
5
7
4
2
1
2
1
1
2
3
4
5
5
3
3
4
2
6
9

Chance of Frost

Temperature (°C)

11
11
10
10
10
9
7
6
5
4
4
3
3
3
3
3
3
2
3
5
8
10
11
12

Feels Like (°C)

8
8
7
8
7
6
4
3
3
3
3
2
2
2
2
2
2
1
2
4
7
9
10
10

Dew Point (°C)

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

Relative Humidity (%)

30
31
37
46
53
64
87
93
90
88
83
79
77
74
74
73
72
72
68
56
45
42
38
34

Pressure (mb)

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

Ozone (du)

319
322
325
327
326
324
322
321
321
323
324
322
317
314
308
306
305
304
305
303
303
304
305
307

Tuesday 21

Waxing Crescent 27%

10:40

01:22

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

Sun - Rise: 06:24, Set: 19:52, Transit: 13:09. Moon - Rise: 10:40, Set: 01:22. Civil Dark: 20:20 - 05:56. Nautical Dark: 20:53 - 05:23. Astro Dark: 21:28 - 04:48

Total Clouds (% Sky Obscured)

81
71
72
91
55
62
51
50
50
66
28
26
46
80
92
66
24
0
0
0
0
0
0
22

Low Clouds (% Sky Obscured)

19
15
17
2
0
0
0
0
0
12
28
19
24
31
35
49
23
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

21
5
10
73
10
10
0
1
1
41
28
25
18
49
57
42
23
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
5
5
5
19
7
5
5
4
0
24
46
80
84
44
7
0
0
0
0
0
0
22

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 (%)

8
21
22
6
4
2
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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)

10
10
12
15
13
12
11
10
8
8
8
9
11
11
9
7
8
9
9
9
11
16
19
20

Chance of Frost

Temperature (°C)

12
13
13
12
12
12
10
7
6
5
4
3
4
3
3
3
2
2
2
4
6
7
8
9

Feels Like (°C)

9
9
9
9
9
8
6
4
3
2
1
2
2
2
1
-1
-1
-0
0
1
2
2
3
3

Dew Point (°C)

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

Relative Humidity (%)

30
32
39
44
44
45
56
66
70
70
72
73
71
65
61
57
60
62
62
54
45
39
35
27

Pressure (mb)

1016
1016
1015
1015
1014
1015
1015
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1015
1014
1013
1012

Ozone (du)

308
310
311
310
310
309
311
312
313
314
313
316
314
319
318
316
322
328
327
323
321
317
317
318

Wednesday 22

Waxing Crescent 38%

11:52

02:12

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

Sun - Rise: 06:23, Set: 19:53, Transit: 13:08. Moon - Rise: 11:52, Set: 02:12. Civil Dark: 20:21 - 05:55. Nautical Dark: 20:54 - 05:22. Astro Dark: 21:29 - 04:46

Total Clouds (% Sky Obscured)

88
82
100
100
100
100
88
100
98
76
38
56
17
22
55
50
4
9
45
50
55
60
65
60

Low Clouds (% Sky Obscured)

0
0
0
0
1
16
0
11
9
24
25
30
1
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
11
100
100
100
100
62
100
98
54
19
12
17
7
0
1
2
1
7
15
15
15
15
20

High Clouds (% Sky Obscured)

88
82
100
100
95
95
88
90
11
8
6
56
1
7
27
35
2
8
40
35
20
29
35
15

ISS Passover

Visibility (miles)

9
9
9
9
2
0
9
4
4
8
9
9
9
9
9
9
9
9
9
9
9
9
9
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
None
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
18
55
17
18
8
16
3
1
0
0
0
0
0
0
0
0
0
0
0
11
27

Precipitation Amount (mm)

0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

22
24
25
25
25
25
24
20
17
15
11
10
10
9
8
6
4
4
5
4
5
8
10
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-7
-5
-4
-1
2
-5
-3
-1
-3
-4
-5
-6
-7
-8
-9
-9
-9
-9
-12
-14
-14
-14
-10

Relative Humidity (%)

28
31
36
40
57
83
52
66
81
80
81
78
72
69
67
64
62
65
60
43
33
29
28
35

Pressure (mb)

1011
1009
1009
1008
1009
1011
1011
1012
1013
1014
1015
1015
1015
1015
1014
1015
1015
1015
1015
1014
1014
1013
1012
1012

Ozone (du)

320
321
325
325
326
328
330
331
330
330
330
328
327
326
326
331
334
334
335
338
348
354
362
366

Thursday 23

First Quarter 50%

13:04

02:51

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

Sun - Rise: 06:21, Set: 19:54, Transit: 13:08. Moon - Rise: 13:04, Set: 02:51. Civil Dark: 20:22 - 05:54. Nautical Dark: 20:55 - 05:20. Astro Dark: 21:30 - 04:45

Total Clouds (% Sky Obscured)

65
65
76
85
94
38
36
70
64
17
16
17
24
49
50
27
30
39
44
61
73
86
100
100

Low Clouds (% Sky Obscured)

0
0
24
51
81
38
36
38
30
17
14
9
4
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

20
30
47
54
53
21
16
17
21
15
14
8
5
2
12
27
30
39
44
46
73
86
100
100

High Clouds (% Sky Obscured)

5
0
0
0
0
0
0
0
1
2
2
3
8
28
17
0
0
1
1
2
35
67
100
67

ISS Passover

Visibility (miles)

1
2
4
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
9
1
0
0
1
2
1
4
4
1
2
1
0
0
0
0
0
0
0
0
0
1
10

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)

13
14
16
16
17
17
15
14
15
11
8
6
6
7
7
7
6
5
5
3
5
6
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-8
-8
-7
-9
-10
-9
-7
-7
-8
-9
-10
-10
-12
-13
-13
-13
-14
-13
-13
-12
-10
-8
-7

Relative Humidity (%)

48
39
37
38
36
34
39
52
56
54
54
52
50
47
44
43
43
42
42
36
36
40
40
41

Pressure (mb)

1012
1010
1010
1010
1009
1009
1010
1012
1013
1014
1014
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1011
1011
1010

Ozone (du)

366
357
345
337
332
328
325
323
322
323
323
323
323
322
322
324
324
325
327
327
328
329
332
334

Friday 24

Waxing Gibbous 61%

13:04

03:23

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:20, Set: 19:55, Transit: 13:08. Moon - Rise: 13:04, Set: 03:23. Civil Dark: 20:23 - 05:52. Nautical Dark: 20:56 - 05:19. Astro Dark: 21:31 - 04:43

Total Clouds (% Sky Obscured)

100
100
93
85
79
79
80
81
86
89
92
82
85
88
92
96
97
94
91
88
86
84
81
75

Low Clouds (% Sky Obscured)

0
0
0
0
2
2
0
0
11
43
38
61
60
57
57
64
72
74
72
76
74
71
68
56

Medium Clouds (% Sky Obscured)

100
100
93
85
79
79
80
78
86
89
92
44
42
40
55
70
85
59
32
6
15
23
32
35

High Clouds (% Sky Obscured)

33
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)

3
1
1
1
0
0
3
8
6
0
0
0
0
1
1
4
7
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
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Snow
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
26
29
38
46
36
18
18
22
38
45
53
53
51
39
30
19
17
13
7
13
17
20
20

Precipitation Amount (mm)

0
0
0
0
0.3
0
0
0
0
0
0.2
0.3
0.3
0.2
0.1
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
12
12
11
12
11
8
5
6
7
8
5
6
6
7
7
8
9
10
11
13
15
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
54
59
61
78
80
71
79
91
96
93
94
94
94
96
94
92
89
74
60
50
46
43
40

Pressure (mb)

1010
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1011
1011
1010
1010
1009
1009

Ozone (du)

335
335
336
337
340
343
343
345
349
348
348
348
346
343
341
341
341
341
340
338
337
334
332
330

Saturday 25

Waxing Gibbous 71%

14:13

03:50

13 Bad
14 Bad
15 Bad
16 OK
17 Good
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 06:19, Set: 19:56, Transit: 13:08. Moon - Rise: 14:13, Set: 03:50. Civil Dark: 20:24 - 05:51. Nautical Dark: 20:57 - 05:17. Astro Dark: 21:33 - 04:42

Total Clouds (% Sky Obscured)

68
59
39
20
0
33
67
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

45
31
20
9
0
28
57
85
71
51
32
52
72
94
96
97
100
100
100
100
97
91
82
80

Medium Clouds (% Sky Obscured)

38
41
28
14
0
33
67
99
99
100
100
100
100
100
70
40
10
15
50
70
83
95
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
24
42
63
75
77
70
45
40
50
55
55
60
93
100
100
89

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
4
2
1
1
0
0
0
0
0
0
0
0
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
Very Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain

Precipitation Probability (%)

19
16
21
20
13
15
11
1
21
27
28
56
75
93
95
95
95
95
95
94
92
89
89
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.9
1
1.1
1.4
1.3
1
0.8
0.7
0.7
0.7
0.8

Wind Speed/Direction (mph)

18
19
20
20
19
19
17
15
13
13
13
13
11
9
7
7
6
6
7
8
8
8
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-8
-8
-8
-7
-7
-6
-5
-4
-5
-6
-7
-5
-3
-1
-1
-2
-2
-2
-2
-3
-2
-1
-0

Relative Humidity (%)

37
34
32
34
36
37
43
51
58
58
57
56
67
81
96
96
96
98
96
92
91
92
92
94

Pressure (mb)

1008
1007
1007
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1007
1006
1006
1006

Ozone (du)

330
330
331
330
329
328
327
326
325
326
326
327
326
326
326
327
329
330
332
334
336
339
343
346

Sunday 26

Waxing Gibbous 81%

15:18

04:14

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
04 Bad
05 Bad

Sun - Rise: 06:18, Set: 19:57, Transit: 13:08. Moon - Rise: 15:18, Set: 04:14. Civil Dark: 20:25 - 05:50. Nautical Dark: 20:58 - 05:16. Astro Dark: 21:34 - 04:40

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
100
99
99
98
99
99
100

Low Clouds (% Sky Obscured)

80
80
71
58
48
61
74
88
88
88
88
90
93
96
97
97
98

Medium Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
100
99
98
98
98
99
100

High Clouds (% Sky Obscured)

79
66
62
55
54
59
72
85
57
30
2
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0

Fog (%)

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

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
80
55
50
44
39
37
34
29

Precipitation Amount (mm)

0.9
1
1.3
1.8
2.5
1.9
1.5
1.2
0.9
0.5
0.1
0.2
0.2
0.2
0.2
0.1
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-4
-4
-4
-5
-5
-5
-4
-3
-3
-8
-8
-8
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

92
94
94
94
94
94
96
96
96
96
96
94
96
96
96
96
98

Pressure (mb)

1005
1005
1005
1005
1006
1006
1007
1008
1009
1010
1011
1012
1012
1012
1012
1012
1012

Ozone (du)

346
346
345
343
341
339
339
339
339
341
343
345
346
346
347
343
339

Forecast for Silverton, San Juan, United States of America (37.81,-107.66)

Generated: 20/04/26 13:13:58. Forecast: 20/04/26 to 26/04/26. Timezone: UTC-6.00