Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 6%

07:56

22:21

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

Sun - Rise: 07:08, Set: 20:37, Transit: 13:53. Moon - Rise: 07:56, Set: 22:21. Civil Dark: 21:06 - 06:39. Nautical Dark: 21:41 - 06:04. Astro Dark: 22:18 - 05:27

Total Clouds (% Sky Obscured)

38
51
62
71
81
100
96
100
50
10
35
82
13
15
21
22
6
2
12
31
31
18
35
41

Low 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

Medium Clouds (% Sky Obscured)

38
51
44
48
38
21
11
29
0
1
1
4
13
15
21
22
5
2
10
20
19
12
21
25

High Clouds (% Sky Obscured)

38
51
62
71
50
94
78
87
42
10
35
82
13
15
2
3
1
1
2
3
4
9
2
2

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
1
1
1
2
2
1
1
1
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
13

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)

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

Chance of Frost

Temperature (°C)

23
22
21
20
19
18
17
16
15
15
14
13
13
13
13
13
13
16
20
22
23
23
24
23

Feels Like (°C)

20
19
18
17
18
18
16
16
15
15
14
12
12
12
12
12
13
17
21
22
22
22
21
22

Dew Point (°C)

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

Relative Humidity (%)

38
39
40
44
52
58
61
64
64
62
62
63
62
59
60
61
59
50
45
42
40
40
43
43

Pressure (mb)

1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1019
1019
1018
1018
1018

Ozone (du)

328
327
326
326
324
325
327
329
329
327
329
332
334
335
335
336
338
338
339
339
340
341
343
345

Sunday 19

Waxing Crescent 5%

08:42

23:42

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

Sun - Rise: 07:06, Set: 20:38, Transit: 13:53. Moon - Rise: 08:42, Set: 23:42. Civil Dark: 21:07 - 06:37. Nautical Dark: 21:42 - 06:02. Astro Dark: 22:19 - 05:25

Total Clouds (% Sky Obscured)

0
98
100
100
100
100
100
100
100
5
5
4
5
1
0
0
3
95
91
24
86
15
17
7

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
5
2
5
5
4
5
1
0
0
0
0
2
0
6
0
5
2

High Clouds (% Sky Obscured)

0
89
90
86
100
100
100
100
100
5
5
4
5
1
0
0
3
67
52
24
86
15
17
7

ISS Passover

Visibility (miles)

9
9
9
9
5
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 (%)

14
21
16
28
36
6
7
5
1
3
2
0
0
0
0
0
0
0
0
0
0
1
3
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)

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

Chance of Frost

Temperature (°C)

23
22
21
20
19
18
17
16
16
16
15
15
14
14
14
14
14
16
19
21
22
22
23
22

Feels Like (°C)

21
21
19
21
20
17
17
16
16
16
15
14
13
13
15
15
16
18
21
21
20
20
20
20

Dew Point (°C)

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

Relative Humidity (%)

45
45
53
56
65
74
75
75
73
72
72
75
75
75
75
74
71
64
59
52
48
46
47
47

Pressure (mb)

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

Ozone (du)

346
345
345
344
341
341
344
344
341
339
337
337
337
337
336
335
334
333
333
334
334
333
332
331

Monday 20

Waxing Crescent 14%

09:40

00:57

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

Sun - Rise: 07:05, Set: 20:39, Transit: 13:53. Moon - Rise: 09:40, Set: 00:57. Civil Dark: 21:08 - 06:36. Nautical Dark: 21:43 - 06:01. Astro Dark: 22:21 - 05:23

Total Clouds (% Sky Obscured)

9
11
100
29
84
99
99
100
100
91
81
94
53
46
45
56
50
62
77
86
86
86
81
67

Low 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

Medium Clouds (% Sky Obscured)

2
1
0
10
20
18
9
52
99
83
75
30
30
25
23
26
16
26
30
25
25
25
24
37

High Clouds (% Sky Obscured)

9
11
100
29
75
97
99
100
100
80
59
82
4
4
7
19
19
5
6
3
1
4
29
44

ISS Passover

Visibility (miles)

7
9
7
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 (%)

31
18
20
14
16
16
17
8
5
1
0
0
0
0
0
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

22
22
21
19
18
17
16
16
15
15
15
14
14
14
13
13
14
16
18
19
21
21
22
22

Feels Like (°C)

22
20
19
18
17
17
15
15
15
15
14
14
13
15
14
14
15
17
19
19
20
21
22
21

Dew Point (°C)

11
11
11
11
12
13
12
12
10
10
10
9
9
8
8
7
8
8
8
8
9
10
10
9

Relative Humidity (%)

48
51
51
59
65
74
75
74
70
70
70
70
70
69
69
68
65
58
52
49
47
47
45
44

Pressure (mb)

1013
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1012
1012
1012
1013
1013
1013
1012
1012

Ozone (du)

330
330
330
331
332
333
334
333
333
333
334
336
340
340
340
340
340
340
340
340
339
341
342
342

Tuesday 21

Waxing Crescent 24%

10:48

02:02

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 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:03, Set: 20:40, Transit: 13:52. Moon - Rise: 10:48, Set: 02:02. Civil Dark: 21:10 - 06:34. Nautical Dark: 21:45 - 05:59. Astro Dark: 22:22 - 05:21

Total Clouds (% Sky Obscured)

59
53
49
67
100
100
100
100
100
100
78
55
34
26
28
26
53
76
100
78
78
72
66
62

Low 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
1

Medium Clouds (% Sky Obscured)

44
53
49
39
25
17
8
8
6
84
78
55
8
26
28
7
9
7
12
12
13
18
54
62

High Clouds (% Sky Obscured)

51
51
38
57
100
100
100
100
100
100
78
44
34
26
28
23
53
75
100
72
67
50
45
30

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
1
2
1
0
0
1
2
0
0
1
4
1
0
0
0
0
3
3
21
22
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)

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

Chance of Frost

Temperature (°C)

22
22
21
20
19
18
16
15
15
14
14
13
13
12
13
12
13
15
18
21
22
22
23
23

Feels Like (°C)

22
22
20
20
19
16
16
14
14
14
13
13
12
11
12
11
12
14
16
19
20
20
20
20

Dew Point (°C)

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

Relative Humidity (%)

43
43
43
45
52
56
58
58
59
60
59
58
60
59
59
58
58
53
50
51
49
49
51
53

Pressure (mb)

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

Ozone (du)

343
342
342
342
341
341
341
342
342
342
342
341
342
343
344
343
344
344
343
344
344
346
348
352

Wednesday 22

Waxing Crescent 35%

12:02

02:54

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

Sun - Rise: 07:02, Set: 20:42, Transit: 13:52. Moon - Rise: 12:02, Set: 02:54. Civil Dark: 21:11 - 06:33. Nautical Dark: 21:46 - 05:57. Astro Dark: 22:24 - 05:19

Total Clouds (% Sky Obscured)

39
43
64
73
81
86
100
89
76
69
67
64
60
54
48
51
63
37
10
12
14
16
21
24

Low Clouds (% Sky Obscured)

1
1
0
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
3
5
8
6
5

Medium Clouds (% Sky Obscured)

19
17
25
6
9
11
18
65
76
69
67
26
22
54
22
25
2
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
12
40
56
70
78
100
73
43
20
16
12
13
3
1
0
63
35
10
12
13
12
13
13

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 (%)

1
2
8
15
15
4
11
11
2
1
2
2
2
1
1
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)

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

Chance of Frost

Temperature (°C)

22
22
21
20
19
18
17
16
16
15
14
14
14
14
14
14
14
15
18
20
21
21
22
21

Feels Like (°C)

19
21
20
19
16
16
17
14
15
14
14
13
14
13
14
15
15
15
17
18
19
20
20
22

Dew Point (°C)

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

Relative Humidity (%)

51
53
54
58
62
62
66
67
66
66
70
75
79
82
86
87
84
77
69
63
61
59
56
57

Pressure (mb)

1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016

Ozone (du)

353
353
352
352
351
355
352
354
355
351
351
351
351
350
350
351
350
351
352
354
353
352
351
350

Thursday 23

Waxing Crescent 46%

13:17

03:34

16 OK
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 OK
08 OK
09 Good
10 Good
11 Good
12 OK
13 OK
14 Bad
15 Bad

Sun - Rise: 07:00, Set: 20:43, Transit: 13:52. Moon - Rise: 13:17, Set: 03:34. Civil Dark: 21:12 - 06:31. Nautical Dark: 21:47 - 05:56. Astro Dark: 22:25 - 05:17

Total Clouds (% Sky Obscured)

26
25
27
29
45
60
74
75
73
70
78
86
94
76
58
38
27
17
7
17
28
38
34
30

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
22
35
53
34
25
11
33
61
89
73
57
38
27
13
0
0
0
0
8
19

High Clouds (% Sky Obscured)

15
20
25
29
45
59
74
67
64
60
65
75
88
66
40
12
11
12
7
12
14
19
16
13

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
25
31
32
30
27
25
20
4
4
3
0
0
0
0
0
0
0
0
0
0
24
34

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

Chance of Frost

Temperature (°C)

21
21
20
19
18
18
16
15
15
14
14
14
14
13
13
13
13
16
18
21
22
23
24
23

Feels Like (°C)

21
21
21
21
21
17
16
16
15
14
14
12
13
12
12
12
12
15
17
18
19
20
21
25

Dew Point (°C)

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

Relative Humidity (%)

56
57
60
64
69
70
72
74
74
74
75
76
78
79
80
79
78
66
56
47
46
44
42
49

Pressure (mb)

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

Ozone (du)

350
349
349
349
349
349
348
348
347
346
344
344
344
344
344
345
345
348
350
352
354
356
358
362

Friday 24

First Quarter 58%

14:30

04:05

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 OK
13 OK

Sun - Rise: 06:59, Set: 20:44, Transit: 13:52. Moon - Rise: 14:30, Set: 04:05. Civil Dark: 21:13 - 06:30. Nautical Dark: 21:49 - 05:54. Astro Dark: 22:27 - 05:16

Total Clouds (% Sky Obscured)

24
32
36
43
60
76
92
75
63
61
71
70
70
70
65
54
50
35
30
30
22
30

Low Clouds (% Sky Obscured)

0
3
6
7
4
2
0
16
30
48
47
44
40
54
65
54
50
35
30
30
22
30

Medium Clouds (% Sky Obscured)

24
26
19
14
42
71
92
75
63
61
71
70
70
70
53
29
17
7
0
0
0
0

High Clouds (% Sky Obscured)

13
25
28
43
60
76
92
75
63
61
71
65
65
47
40
37
26
13
4
5
6
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
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

Precipitation Type

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

Precipitation Probability (%)

37
62
76
87
81
75
64
60
56
51
49
44
35
35
33
29
31
34
37
32
24
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
22
21
19
18
18
16
15
15
14
13
14
13
13
13
13
13
15
18
20
21
22

Feels Like (°C)

24
23
22
21
20
16
16
16
15
14
14
14
13
13
13
14
14
14
16
17
17
16

Dew Point (°C)

13
15
14
14
14
14
13
13
12
12
11
12
11
11
11
11
11
13
15
17
16
16

Relative Humidity (%)

55
64
67
71
74
78
81
85
84
87
87
87
87
87
87
86
86
86
85
84
75
67

Pressure (mb)

1009
1009
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1011

Ozone (du)

366
371
370
370
369
373
378
382
383
384
385
382
379
376
372
368
364
366
368
370
372
373

Forecast for Altafulla, Tarragona, Spain (41.14,1.38)

Generated: 18/04/26 16:52:31. Forecast: 18/04/26 to 24/04/26. Timezone: UTC+2.00