Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 76%

16:55

05:42

17 Bad
18 OK
19 Good
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
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:36, Set: 21:01, Transit: 14:19. Moon - Rise: 16:55, Set: 05:42. Civil Dark: 21:28 - 07:09. Nautical Dark: 22:00 - 06:37. Astro Dark: 22:34 - 06:03

Total Clouds (% Sky Obscured)

48
39
13
98
98
95
93
94
95
95
98
98
98
98
98
99
99
98
98
100
99
100
100
99

Low Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
20
54
42
58
49
55
80
79
46
66
87
94
90
95
83

Medium Clouds (% Sky Obscured)

4
2
1
0
0
0
0
0
0
0
0
0
0
0
2
1
1
0
0
0
2
1
6
23

High Clouds (% Sky Obscured)

46
38
12
98
98
95
93
94
95
95
98
97
95
96
97
97
98
96
97
98
98
98
98
98

ISS Passover

Visibility (miles)

9
9
10
10
10
10
10
10
10
10
10
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
17
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

2
1
1
1
0
0
0
0
0
1
1
2
2
4
5
6
9
13
15
16
15
13
10
7

Precipitation Amount (mm)

0.02
0.01
0.01
0.01
0
0
0
0
0
0.01
0.01
0.01
0.01
0.02
0.04
0.05
0.08
0.1
0.1
0.11
0.12
0.07
0.05
0.03

Wind Speed/Direction (mph)

11
11
11
10
8
6
4
5
7
11
13
16
18
18
19
20
20
21
21
22
21
21
20
19

Chance of Frost

Temperature (°C)

20
20
20
20
19
18
18
17
17
17
17
17
17
16
16
16
16
16
16
16
17
17
17
17

Feels Like (°C)

20
20
20
20
19
18
18
17
17
17
17
17
17
17
17
16
16
16
16
17
17
17
18
18

Dew Point (°C)

14
14
15
15
15
15
15
15
15
15
16
16
17
16
16
16
16
16
16
16
17
17
17
16

Relative Humidity (%)

72
71
73
76
78
81
83
85
87
90
92
97
100
100
100
100
100
100
100
100
100
100
99
92

Pressure (mb)

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

Ozone (du)

322
320
319
316
316
316
316
316
315
313
312
312
312
312
313
315
316
317
317
318
318
318
318
319

Friday 23

Waxing Gibbous 85%

16:55

06:14

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:35, Set: 21:02, Transit: 14:19. Moon - Rise: 16:55, Set: 06:14. Civil Dark: 21:29 - 07:08. Nautical Dark: 22:01 - 06:36. Astro Dark: 22:35 - 06:02

Total Clouds (% Sky Obscured)

98
98
97
91
73
63
94
91
47
98
98
99
95
94
99
99
100
100
100
100
100
100
100
77

Low Clouds (% Sky Obscured)

38
22
32
56
67
46
56
41
38
56
84
81
87
91
99
99
100
100
100
100
100
100
100
73

Medium Clouds (% Sky Obscured)

41
22
30
48
18
20
19
12
10
9
27
66
70
24
15
1
6
23
23
13
14
19
14
11

High Clouds (% Sky Obscured)

98
97
95
74
14
34
88
89
12
97
96
97
52
29
9
0
0
0
0
0
12
32
50
31

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
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
0

Precipitation Type

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

Precipitation Probability (%)

5
3
3
2
3
4
4
3
4
3
5
6
9
19
37
40
46
41
43
44
36
35
26
16

Precipitation Amount (mm)

0.03
0.01
0.01
0.01
0.01
0.02
0.02
0.01
0.02
0.01
0.02
0.02
0.03
0.1
0.25
0.33
0.33
0.39
0.47
0.53
0.64
0.52
0.31
0.1

Wind Speed/Direction (mph)

19
18
17
17
17
18
18
19
19
21
21
22
23
23
22
22
23
25
25
25
25
24
24
23

Chance of Frost

Temperature (°C)

18
18
18
18
18
18
17
17
17
17
17
16
16
16
16
15
15
16
16
16
16
17
17
17

Feels Like (°C)

18
18
18
18
18
18
18
17
17
17
17
17
16
16
16
16
16
16
16
16
17
17
17
18

Dew Point (°C)

16
16
16
16
16
15
15
15
15
15
15
16
16
16
16
15
15
16
16
16
16
17
17
17

Relative Humidity (%)

89
88
87
88
88
87
86
86
88
90
92
94
97
100
100
100
100
100
99
100
100
100
99
95

Pressure (mb)

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

Ozone (du)

318
319
320
319
321
324
326
326
326
324
323
323
323
324
325
325
326
328
328
328
328
331
332
332

Saturday 24

Waxing Gibbous 93%

18:05

06:46

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:34, Set: 21:03, Transit: 14:19. Moon - Rise: 18:05, Set: 06:46. Civil Dark: 21:30 - 07:07. Nautical Dark: 22:02 - 06:34. Astro Dark: 22:36 - 06:00

Total Clouds (% Sky Obscured)

80
79
92
80
56
31
42
51
67
22
81
100
92
84
96
99
99
99
99
99
99
100
100
100

Low Clouds (% Sky Obscured)

75
79
92
80
55
30
16
14
20
16
13
9
21
38
94
99
99
99
99
99
99
100
100
100

Medium Clouds (% Sky Obscured)

8
2
1
2
2
7
36
47
65
19
35
100
72
61
60
73
73
73
73
73
73
84
84
84

High Clouds (% Sky Obscured)

17
1
0
0
1
5
9
1
4
1
77
88
73
51
44
77
77
77
77
77
77
7
7
7

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
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
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
Light Rain
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

Precipitation Probability (%)

18
13
16
14
22
26
27
22
20
27
30
41
46
49
56
60
54
49
41
31
26
25
26
24

Precipitation Amount (mm)

0.14
0.07
0.09
0.07
0.13
0.18
0.19
0.16
0.15
0.27
0.32
0.46
0.63
0.71
0.88
0.8
0.65
0.44
0.34
0.21
0.19
0.29
0.3
0.15

Wind Speed/Direction (mph)

21
19
18
16
15
15
15
14
13
13
13
12
11
10
9
8
8
8
8
8
8
9
8
7

Chance of Frost

Temperature (°C)

18
18
18
18
18
18
17
17
17
17
17
16
16
16
15
15
15
15
16
16
16
16
17
17

Feels Like (°C)

18
18
18
18
18
18
18
18
17
17
17
17
16
16
16
16
16
16
16
17
17
17
17
17

Dew Point (°C)

16
16
16
16
17
17
16
16
16
16
16
16
16
16
15
15
15
15
16
16
16
16
17
17

Relative Humidity (%)

93
92
92
92
93
94
93
92
93
95
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

1011
1011
1011
1011
1011
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1010
1010

Ozone (du)

333
333
333
332
330
330
330
332
333
334
334
335
336
339
342
343
346
348
352
355
356
357
359
359

Sunday 25

Waxing Gibbous 98%

19:16

07:18

17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
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

Sun - Rise: 07:33, Set: 21:04, Transit: 14:19. Moon - Rise: 19:16, Set: 07:18. Civil Dark: 21:31 - 07:06. Nautical Dark: 22:03 - 06:33. Astro Dark: 22:37 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
23
23
23
23
23
23
49
49
49
49
49
49
68
68
68
68
68
68
38
38
38

Low Clouds (% Sky Obscured)

100
100
100
1
1
1
1
1
1
40
40
40
40
40
40
20
20
20
20
20
20
23
23
23

Medium Clouds (% Sky Obscured)

84
84
84
23
23
23
23
23
23
20
20
20
20
20
20
43
43
43
43
43
43
26
26
26

High Clouds (% Sky Obscured)

7
7
7
0
0
0
0
0
0
11
11
11
11
11
11
38
38
38
38
38
38
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
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
0

Precipitation Type

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

Precipitation Probability (%)

18
10
8
3
2
2
3
0
0
0
0
6
6
6
11
15
19
22
21
22
18
20
24
25

Precipitation Amount (mm)

0.11
0.07
0.06
0.03
0.01
0.01
0.01
0
0
0
0
0.02
0.03
0.03
0.06
0.1
0.15
0.19
0.2
0.2
0.18
0.19
0.23
0.26

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
18
18
18
17
17
17
16
16
16
16
15
15
15
15
15
16
17
17
18
19
19
19

Feels Like (°C)

18
18
19
19
18
18
17
17
16
16
16
16
15
15
15
15
16
16
17
18
18
19
20
20

Dew Point (°C)

17
17
17
16
16
16
16
16
16
15
15
15
15
15
15
15
15
16
17
17
18
18
18
18

Relative Humidity (%)

100
96
91
88
90
93
94
94
95
95
96
98
100
100
100
100
100
100
100
100
100
99
94
92

Pressure (mb)

1009
1009
1009
1009
1010
1010
1011
1011
1011
1011
1010
1010
1010
1009
1009
1010
1010
1010
1011
1011
1011
1010
1010
1010

Ozone (du)

361
362
362
360
358
357
357
359
360
358
355
353
351
350
349
349
350
351
352
350
350
347
350
351

Monday 26

Waxing Gibbous 100%

20:30

07:52

17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
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

Sun - Rise: 07:32, Set: 21:04, Transit: 14:18. Moon - Rise: 20:30, Set: 07:52. Civil Dark: 21:32 - 07:04. Nautical Dark: 22:04 - 06:32. Astro Dark: 22:39 - 05:57

Total Clouds (% Sky Obscured)

38
38
38
22
22
22
22
22
22
56
56
56
56
56
56
51
51
51
51
51
51
48
48
48

Low Clouds (% Sky Obscured)

23
23
23
16
16
16
16
16
16
38
38
38
38
38
38
24
24
24
24
24
24
14
14
14

Medium Clouds (% Sky Obscured)

26
26
26
13
13
13
13
13
13
33
33
33
33
33
33
32
32
32
32
32
32
43
43
43

High Clouds (% Sky Obscured)

0
0
0
1
1
1
1
1
1
16
16
16
16
16
16
10
10
10
10
10
10
6
6
6

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
9
7
9
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
0

Precipitation Type

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

Precipitation Probability (%)

25
15
9
11
5
4
4
5
7
13
15
17
19
20
26
11
13
14
17
17
17
15
9
4

Precipitation Amount (mm)

0.29
0.18
0.11
0.14
0.05
0.01
0.01
0.02
0.05
0.11
0.1
0.09
0.11
0.15
0.23
0.18
0.2
0.22
0.23
0.22
0.25
0.26
0.16
0.06

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
20
19
18
18
18
17
17
17
16
16
16
16
16
16
16
16
17
17
18
18
19
20

Feels Like (°C)

20
20
20
19
19
18
18
18
17
17
17
17
17
16
16
16
17
17
17
18
19
19
20
20

Dew Point (°C)

17
17
17
17
17
17
17
17
17
17
16
16
16
16
16
16
16
16
17
17
18
18
19
20

Relative Humidity (%)

87
85
84
88
92
95
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

1009
1009
1009
1009
1010
1010
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1010
1010

Ozone (du)

350
347
344
338
338
338
338
337
335
329
326
323
322
321
322
318
317
316
315
316
317
318
317
316

Tuesday 27

Full Moon 99%

21:45

08:30

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:31, Set: 21:05, Transit: 14:18. Moon - Rise: 21:45, Set: 08:30. Civil Dark: 21:32 - 07:03. Nautical Dark: 22:05 - 06:30. Astro Dark: 22:40 - 05:56

Total Clouds (% Sky Obscured)

48
48
48
96
96
96
96
96
96
65
65
65
65
65
65
82
82
82
82
82
82
59
59
59

Low Clouds (% Sky Obscured)

14
14
14
17
17
17
17
17
17
64
64
64
64
64
64
41
41
41
41
41
41
26
26
26

Medium Clouds (% Sky Obscured)

43
43
43
0
0
0
0
0
0
1
1
1
1
1
1
19
19
19
19
19
19
32
32
32

High Clouds (% Sky Obscured)

6
6
6
96
96
96
96
96
96
0
0
0
0
0
0
73
73
73
73
73
73
40
40
40

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
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
0

Precipitation Type

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

Precipitation Probability (%)

2
2
0
0
0
0
0
0
1
2
1
0
2
4
8
10
10
4
2
2
2
2
2
1

Precipitation Amount (mm)

0.02
0.01
0
0
0
0
0
0
0.02
0.03
0.02
0
0.01
0.04
0.15
0.22
0.14
0.04
0.01
0.02
0.03
0.04
0.03
0.01

Wind Speed/Direction (mph)

13
13
12
11
11
10
9
9
9
9
9
9
9
9
9
10
10
11
12
12
13
13
13
14

Chance of Frost

Temperature (°C)

20
20
20
20
19
18
18
18
17
17
17
16
16
16
16
16
16
16
17
18
18
19
20
20

Feels Like (°C)

21
21
20
20
20
19
18
18
18
17
17
17
17
17
17
17
17
17
18
18
19
20
20
20

Dew Point (°C)

20
19
19
18
18
18
18
18
17
17
17
16
16
16
16
16
16
16
17
18
18
19
19
18

Relative Humidity (%)

99
95
92
91
93
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
91

Pressure (mb)

1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

316
315
314
315
316
318
321
323
326
329
331
334
336
336
337
337
337
336
336
336
337
338
340
343

Wednesday 28

Waning Gibbous 94%

23:02

09:15

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

Sun - Rise: 07:29, Set: 21:06, Transit: 14:18. Moon - Rise: 23:02, Set: 09:15. Civil Dark: 21:33 - 07:02. Nautical Dark: 22:06 - 06:29. Astro Dark: 22:41 - 05:54

Total Clouds (% Sky Obscured)

59
59
59
22
22
22
22
22
22
21
21
21
21
21
21
68
68
68
68
68
68
42
42
42

Low Clouds (% Sky Obscured)

26
26
26
1
1
1
1
1
1
10
10
10
10
10
10
44
44
44
44
44
44
23
23
23

Medium Clouds (% Sky Obscured)

32
32
32
22
22
22
22
22
22
5
5
5
5
5
5
40
40
40
40
40
40
27
27
27

High Clouds (% Sky Obscured)

40
40
40
0
0
0
0
0
0
9
9
9
9
9
9
20
20
20
20
20
20
1
1
1

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
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
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
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
1
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
14
13
12
11
10
10
9
9
9
8
8
7
7
6
6
4
3
2
3
4
5
5
5

Chance of Frost

Temperature (°C)

20
20
19
19
18
18
17
16
16
15
15
15
15
14
14
14
15
16
17
17
18
18
19
19

Feels Like (°C)

20
20
19
19
18
18
17
17
16
16
15
15
15
15
14
14
15
16
17
18
18
19
19
19

Dew Point (°C)

17
17
16
16
16
16
16
16
16
15
15
15
15
14
14
14
15
16
17
17
17
17
17
17

Relative Humidity (%)

86
84
84
85
88
91
93
95
98
100
100
100
100
100
100
100
100
100
100
100
97
93
89
86

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1010
1009

Ozone (du)

346
348
351
353
351
349
346
345
344
343
343
343
344
344
345
345
346
346
347
349
351
353
353
354

Forecast for Gibraltar, Gibraltar (36.14,-5.35)

Generated: 22/04/21 17:00:12. Forecast: 22/04/21 to 28/04/21. Timezone: UTC+2.00