Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 3%

07:36

21:51

10 Good
11 Good
12 OK
13 OK
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 OK
05 Good
06 Good
07 Good
08 Good
09 Good

Sun - Rise: 06:28, Set: 19:49, Transit: 13:09. Moon - Rise: 07:36, Set: 21:51. Civil Dark: 20:17 - 06:00. Nautical Dark: 20:49 - 05:28. Astro Dark: 21:24 - 04:53

Total Clouds (% Sky Obscured)

16
15
33
20
57
68
87
90
88
77
65
66
73
91
99
100
58
49
35
3
0
0
0
0

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
20
32
60
84
90
88
76
65
66
73
91
99
100
51
24
17
1
0
0
0
0

High Clouds (% Sky Obscured)

0
0
12
2
3
3
19
1
2
1
1
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
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
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-15
-15
-14
-15
-15
-14
-13
-12
-11
-6
-6
-6
-7
-8
-9
-9
-9
-10
-10
-11
-13
-13
-13
-14

Relative Humidity (%)

31
29
27
23
22
22
25
26
28
49
65
67
65
61
57
57
55
53
53
50
48
45
34
27

Pressure (mb)

1023
1022
1022
1021
1021
1020
1020
1019
1019
1020
1023
1025
1026
1025
1025
1025
1025
1025
1025
1025
1026
1026
1024
1024

Ozone (du)

361
360
358
356
355
352
349
346
346
344
344
343
340
339
338
338
335
332
325
325
324
330
331
330

Sunday 19

Waxing Crescent 8%

08:28

23:09

10 Good
11 Good
12 Good
13 Good
14 Good
15 OK
16 OK
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

Sun - Rise: 06:26, Set: 19:50, Transit: 13:09. Moon - Rise: 08:28, Set: 23:09. Civil Dark: 20:18 - 05:59. Nautical Dark: 20:51 - 05:26. Astro Dark: 21:25 - 04:51

Total Clouds (% Sky Obscured)

0
0
0
1
10
20
15
66
68
100
100
100
100
100
96
69
96
98
90
59
55
77
62
82

Low Clouds (% Sky Obscured)

0
0
0
0
10
13
12
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
29
2
18
37
48
52
69

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
16
32
100
100
100
100
100
96
34
93
94
77
17
5
46
12
16

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
0
0
0
0
0
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)

5
7
9
9
10
11
11
10
9
7
7
5
4
4
4
4
4
5
7
5
5
5
3
2

Chance of Frost

Temperature (°C)

5
7
8
9
10
11
11
10
9
7
4
3
3
2
2
1
1
2
2
2
2
2
4
6

Feels Like (°C)

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

Dew Point (°C)

-13
-12
-11
-9
-7
-7
-6
-6
-5
-2
-2
-3
-4
-5
-6
-7
-7
-7
-7
-7
-6
-5
-6
-5

Relative Humidity (%)

25
24
25
27
28
29
30
31
36
55
62
64
62
60
58
57
54
54
54
55
58
58
51
46

Pressure (mb)

1023
1022
1021
1020
1020
1019
1018
1018
1018
1020
1021
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

327
327
324
319
315
313
312
311
309
309
308
308
310
311
310
311
310
311
313
312
313
315
317
321

Monday 20

Waxing Crescent 17%

09:30

00:21

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
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

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)

66
100
100
99
93
100
100
100
100
44
19
5
3
1
1
3
3
5
10
6
3
4
2
9

Low Clouds (% Sky Obscured)

0
0
44
52
46
63
64
52
36
7
4
1
2
1
1
1
1
1
0
0
0
0
0
8

Medium Clouds (% Sky Obscured)

39
100
100
97
49
53
35
92
91
44
19
2
1
0
0
0
0
0
0
0
0
0
0
8

High Clouds (% Sky Obscured)

31
6
5
9
63
100
100
100
98
3
2
1
0
0
0
1
1
2
6
4
2
2
1
1

ISS Passover

Visibility (miles)

9
9
7
9
6
1
0
2
6
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
6
28
48
75
95
95
75
52
14
3
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.2
0.5
2.3
2.4
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

40
39
37
39
48
68
94
91
90
91
94
89
86
83
83
81
80
80
80
80
78
78
72
64

Pressure (mb)

1021
1020
1019
1019
1019
1019
1020
1020
1021
1022
1022
1023
1023
1023
1023
1022
1022
1021
1021
1021
1022
1022
1021
1021

Ozone (du)

321
321
322
321
320
318
320
320
320
320
320
320
319
317
315
312
308
306
302
301
300
300
302
302

Tuesday 21

Waxing Crescent 27%

No Rise

01:22

10 Good
11 OK
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
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK

Sun - Rise: 06:24, Set: 19:52, Transit: 13:09. Moon - Rise: No Rise, 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)

14
28
80
87
91
86
78
72
69
65
62
78
89
100
97
93
87
86
82
79
49
45
41
39

Low Clouds (% Sky Obscured)

14
20
34
47
62
50
42
28
21
14
6
26
45
65
59
57
54
57
59
58
49
45
38
33

Medium Clouds (% Sky Obscured)

14
25
53
65
80
68
54
26
17
4
10
30
37
34
33
7
16
56
82
79
3
0
0
0

High Clouds (% Sky Obscured)

2
2
1
2
3
11
21
35
35
20
25
53
80
100
80
57
35
21
6
9
6
3
0
0

ISS Passover

Visibility (miles)

9
9
9
9
8
9
4
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
1
14
25
32
35
32
25
26
19
3
7
7
1
16
23
27
29
29
27
21
12
2
2

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)

1
3
6
7
9
10
10
10
13
12
8
7
5
7
9
10
9
8
8
8
8
9
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
10
11
9
9
9
9
8
9
8
5
4
4
2
2
2
1
1
0
-1
-1
2
3
2

Dew Point (°C)

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

Relative Humidity (%)

57
52
48
48
60
72
75
77
76
78
79
78
81
79
79
76
73
69
67
67
67
68
63
47

Pressure (mb)

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

Ozone (du)

302
303
304
305
305
306
309
310
308
309
310
308
309
310
310
309
308
308
309
314
317
318
319
319

Wednesday 22

Waxing Crescent 38%

10:40

02:12

10 OK
11 OK
12 OK
13 OK
14 Good
15 Good
16 Good
17 OK
18 OK
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

Sun - Rise: 06:23, Set: 19:53, Transit: 13:08. Moon - Rise: 10:40, 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)

36
32
20
10
0
1
3
9
36
68
100
87
80
83
85
93
100
88
76
66
46
25
5
5

Low Clouds (% Sky Obscured)

31
29
20
10
0
0
0
0
0
0
0
0
0
0
3
7
14
25
30
32
26
23
5
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
7
13
24
14
15
47
33
65
96
86
76
66
46
25
5
5

High Clouds (% Sky Obscured)

0
0
0
0
0
1
3
4
36
68
100
70
39
9
85
93
100
67
33
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
1
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
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
Light Rain
Very Light Rain

Precipitation Probability (%)

1
0
0
0
0
4
4
1
2
2
0
0
1
19
39
48
56
56
58
60
57
57
59
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0.3
0.3
0.3
0.4
0.3

Wind Speed/Direction (mph)

15
18
21
22
23
25
26
27
27
25
22
20
17
14
12
8
7
7
6
6
6
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
35
34
32
32
30
31
34
37
39
42
47
56
66
78
85
88
93
93
91
92
89
86
82

Pressure (mb)

1014
1013
1012
1011
1010
1009
1008
1008
1008
1008
1009
1010
1010
1010
1011
1011
1011
1011
1011
1012
1012
1013
1014
1014

Ozone (du)

316
312
309
308
310
312
311
311
312
312
311
311
313
314
316
324
332
339
346
353
359
360
361
362

Thursday 23

First Quarter 50%

11:52

02:51

10 Bad
11 OK
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
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

Sun - Rise: 06:21, Set: 19:54, Transit: 13:08. Moon - Rise: 11:52, 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
9
15
25
33
38
43
48
48
47
45
53
63
77
82
91
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
9
18
27
18
8
0
0
0
0
19

Medium Clouds (% Sky Obscured)

0
0
9
19
28
31
33
38
40
40
35
47
59
77
82
91
93
81
67
53
70
91
100
100

High Clouds (% Sky Obscured)

0
0
2
4
6
11
16
21
18
16
14
26
34
34
52
76
100
100
100
100
99
97
96
93

ISS Passover

Visibility (miles)

3
5
7
8
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2

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 (%)

39
26
24
21
15
12
8
0
0
0
0
0
0
0
0
0
0
0
0
0
8
11
12
24

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
12
14
14
15
15
15
15
14
11
8
4
5
5
5
6
7
8
8
7
7
8
9
9

Chance of Frost

Temperature (°C)

4
5
7
8
8
9
8
8
7
6
5
3
2
0
-1
-1
-0
0
1
1
1
2
2
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
67
60
58
58
56
56
58
57
65
73
83
83
81
80
78
75
75
74
74
73
70
66
63

Pressure (mb)

1013
1013
1012
1011
1011
1010
1011
1011
1011
1012
1014
1015
1015
1015
1015
1014
1013
1012
1012
1011
1011
1011
1011
1011

Ozone (du)

361
360
359
354
349
344
341
338
335
333
331
329
327
324
322
321
319
318
318
318
318
321
323
325

Friday 24

Waxing Gibbous 61%

13:04

03:23

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
04 Bad
05 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
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

31
35
30
32
35
37
37
40
49
58
66
77
89
100
100
100
100
82
64
46

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
96

High Clouds (% Sky Obscured)

98
100
100
100
95
90
80
80
80
90
100
100
100
85
25
0
0
0
0
0

ISS Passover

Visibility (miles)

1
1
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

Precipitation Type

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
Snow
Snow

Precipitation Probability (%)

31
36
46
57
69
67
69
73
65
61
62
80
95
95
95
95
95
93
80
67

Precipitation Amount (mm)

0
0
0.3
0.4
0.7
0.6
0.6
0.7
0.5
0.4
0.4
0.6
0.8
1
1.1
1.1
0.9
0.7
0.5
0.4

Wind Speed/Direction (mph)

11
13
16
13
10
7
7
7
8
8
8
7
7
7
7
8
9
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
70
74
76
76
76
81
86
91
93
94
94
94
94
98
96
92
91
91
94

Pressure (mb)

1011
1011
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1008
1008
1007
1007
1007
1006
1007
1008

Ozone (du)

328
331
334
336
338
340
345
350
355
355
356
357
358
360
361
361
362
362
365
369

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

Generated: 18/04/26 10:32:46. Forecast: 18/04/26 to 24/04/26. Timezone: UTC-6.00