Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 17%

09:30

00:21

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Good
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 OK
11 Bad
12 Bad
13 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)

67
74
80
97
100
74
57
14
6
5
2
1
1
2
3
4
5
0
9
6
36
71
100
73

Low Clouds (% Sky Obscured)

24
0
0
1
2
2
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
4
0
19

Medium Clouds (% Sky Obscured)

67
41
53
97
100
61
46
14
6
2
1
0
0
0
0
0
0
0
0
0
36
71
100
28

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
9
6
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
6
7
5
7
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
0
20
15
10
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
8

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)

15
12
14
6
7
6
3
2
2
2
1
2
3
5
5
5
5
4
3
2
2
6
8
9

Chance of Frost

Temperature (°C)

11
10
10
10
8
7
6
5
4
4
3
3
3
3
3
3
2
3
5
8
10
11
12
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

32
37
47
57
71
84
88
86
80
77
76
74
74
72
72
69
66
64
53
43
39
36
34
33

Pressure (mb)

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

Ozone (du)

320
324
326
328
325
324
322
323
326
326
323
320
314
310
309
307
305
306
306
306
308
308
310
311

Tuesday 21

Waxing Crescent 27%

10:40

01:22

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

Sun - Rise: 06:24, Set: 19:52, Transit: 13:08. 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)

77
72
93
100
100
100
94
72
53
52
48
35
56
57
22
0
0
0
0
0
3
1
2
24

Low Clouds (% Sky Obscured)

9
11
0
0
0
0
4
14
23
19
25
15
35
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

39
35
34
10
5
98
75
5
36
42
48
35
56
44
6
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
5
67
100
100
100
13
5
8
52
48
17
0
0
0
0
0
0
0
0
0
0
0
5

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 (%)

21
19
4
2
1
2
1
0
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)

12
14
15
13
13
12
9
8
9
10
12
12
10
9
10
10
10
10
10
12
18
21
25
26

Chance of Frost

Temperature (°C)

13
12
13
12
11
10
7
6
6
5
5
4
4
4
3
2
2
2
4
6
7
8
9
9

Feels Like (°C)

9
9
8
8
7
6
4
3
2
3
4
3
3
1
-0
-1
-0
0
1
1
3
2
3
3

Dew Point (°C)

-2
-1
-1
-0
0
1
1
-0
-1
-0
0
-1
-3
-4
-4
-5
-5
-5
-4
-6
-6
-8
-9
-9

Relative Humidity (%)

35
39
39
42
45
56
63
63
65
70
71
69
62
59
57
60
63
63
54
44
38
32
29
28

Pressure (mb)

1016
1016
1015
1015
1015
1016
1017
1017
1017
1017
1016
1017
1017
1017
1017
1017
1017
1017
1016
1015
1014
1013
1012
1011

Ozone (du)

312
312
311
310
310
312
314
313
314
314
311
312
315
317
322
325
327
323
321
319
316
315
314
315

Wednesday 22

Waxing Crescent 38%

11:52

02:12

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

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)

27
45
49
14
15
15
25
21
1
13
19
17
26
2
0
3
2
1
0
0
0
0
1
3

Low Clouds (% Sky Obscured)

0
12
14
5
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
13
12
1
1
15
25
21
1
13
19
17
26
1
0
2
1
1
0
0
0
0
1
3

High Clouds (% Sky Obscured)

5
5
5
1
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
4
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
0
0
0
0
0
0
0
2
5
19
4
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)

28
30
30
29
28
24
19
14
10
9
7
6
6
5
4
4
4
4
4
5
9
12
14
15

Chance of Frost

Temperature (°C)

9
10
9
8
7
4
2
0
-1
-2
-2
-3
-3
-3
-4
-4
-4
-4
-2
-0
2
3
4
5

Feels Like (°C)

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

Dew Point (°C)

-8
-6
-6
-7
-7
-6
-7
-7
-8
-9
-9
-8
-7
-8
-9
-9
-10
-11
-11
-13
-15
-17
-17
-14

Relative Humidity (%)

29
33
33
33
36
49
55
59
59
57
58
65
72
72
69
68
65
60
50
37
27
21
19
23

Pressure (mb)

1010
1009
1008
1008
1009
1011
1012
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1016
1016
1014
1013
1012
1011
1010

Ozone (du)

315
315
317
318
321
323
326
326
326
327
332
336
341
345
347
351
357
356
354
349
345
342
338
333

Thursday 23

First Quarter 50%

13:04

02:51

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

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)

5
19
45
72
73
88
34
65
14
0
12
60
60
65
65
70
73
76
73
79
86
100
96
91

Low Clouds (% Sky Obscured)

0
19
45
70
66
63
34
39
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

5
19
45
72
73
63
26
42
9
0
0
0
0
0
0
0
20
76
50
73
86
100
96
91

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
7
20
25
30
40
50
46
49
56
64
77
100
69
37

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
18
19
14
28
24
8
10
8
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)

16
18
18
17
18
15
12
9
9
9
9
9
8
7
6
6
7
7
5
5
8
10
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-13
-13
-11
-13
-14
-12
-11
-10
-11
-11
-11
-11
-13
-13
-14
-14
-14
-14
-14
-13
-13
-12
-11
-11

Relative Humidity (%)

24
25
29
27
28
34
45
51
50
50
50
50
47
46
43
43
43
40
36
33
30
30
28
27

Pressure (mb)

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

Ozone (du)

331
328
327
327
330
333
335
335
333
330
327
327
327
327
328
330
331
335
335
336
338
337
337
336

Friday 24

Waxing Gibbous 61%

No Rise

03:23

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
13 Bad

Sun - Rise: 06:20, Set: 19:55, Transit: 13:08. Moon - Rise: No Rise, 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)

86
90
95
100
99
98
96
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
93
89

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
16
32
48
61
74
82
97
100
100
100
100
100
97
94
92
69
46

Medium Clouds (% Sky Obscured)

86
90
95
100
99
98
96
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
86
73

High Clouds (% Sky Obscured)

6
37
69
100
95
90
85
57
28
0
0
0
0
0
0
0
0
0
0
11
22
34
35
36

ISS Passover

Visibility (miles)

9
6
3
2
7
9
9
9
9
4
5
9
7
0
0
0
0
0
1
1
1
1
1
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
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
10
11
2
1
7
0
2
8
12
6
19
30
57
55
55
72
60
52
47
44
41
41
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.5
0.5
0.8
0.5
0.4
0.3
0.2
0
0
0

Wind Speed/Direction (mph)

15
16
16
15
14
12
11
8
7
5
5
7
7
8
7
6
6
6
6
7
10
13
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-8
-7
-7
-7
-7
-6
-7
-7
-7
-5
-3
-2
-2
-2
-2
-2
-3
-3
-4
-3
-2
-1
-1

Relative Humidity (%)

29
34
37
42
43
46
54
55
54
55
69
81
87
89
92
91
92
86
80
74
71
69
68
67

Pressure (mb)

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

Ozone (du)

338
339
342
342
344
342
340
341
340
339
340
342
342
335
331
328
327
325
324
323
322
320
319
320

Saturday 25

Waxing Gibbous 71%

14:13

03:50

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
13 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)

85
91
96
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)

23
17
16
15
40
60
84
91
97
100
100
100
100
100
99
99
99
99
100
99
98
97
94
90

Medium Clouds (% Sky Obscured)

59
73
86
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

37
52
67
80
87
93
100
100
100
100
67
33
0
0
0
0
5
10
14
11
7
4
43
56

ISS Passover

Visibility (miles)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

42
41
41
39
43
49
57
80
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.6
0.9
1.4
1.3
1.1
0.9
1.2
1.6
2
1.7
1.5
1.5
1.5
1.5
1.4
1.1
1

Wind Speed/Direction (mph)

16
16
16
16
15
14
12
10
8
7
6
5
5
5
5
5
6
6
6
6
7
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
66
72
79
86
91
94
96
98
98
98
98
98
98
98
98
98
98
96
96
96
96
96
96

Pressure (mb)

1009
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1008
1007
1006
1006
1006
1005
1005
1005
1005
1005
1006
1006
1006

Ozone (du)

321
322
322
323
323
324
324
325
325
326
326
327
328
328
330
332
333
335
337
339
341
344
346
346

Sunday 26

Waxing Gibbous 81%

15:18

04:14

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

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
97
93
90
93
97
100
94
90
84
93
94
96
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

82
76
70
64
68
70
75
76
76
79
86
91
95
93
91
89
76
63
50
38
27
16

Medium Clouds (% Sky Obscured)

100
95
89
84
93
97
100
94
90
84
93
94
96
99
100
100
100
100
100
100
100
99

High Clouds (% Sky Obscured)

77
58
32
1
33
67
100
67
33
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
93
85
79
76
78
82
76
56
47
36
23
23
23
24
19
15
12
20
26
33

Precipitation Amount (mm)

1
0.9
0.7
0.6
0.6
0.5
0.6
0.8
0.8
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-4
-3
-4
-4
-3
-4
-4
-5
-8
-8
-8
-8
-7
-7
-6
-6
-4
-4
-3

Dew Point (°C)

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

Relative Humidity (%)

96
92
91
88
84
89
91
96
96
96
96
96
94
96
96
96
96
94
91
89
89
89

Pressure (mb)

1006
1006
1006
1007
1007
1008
1009
1010
1011
1012
1014
1013
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

346
345
347
348
349
346
344
341
341
341
341
342
343
343
345
346
348
350
351
353
352
351

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

Generated: 20/04/26 14:20:02. Forecast: 20/04/26 to 26/04/26. Timezone: UTC-6.00