Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waxing Gibbous 93%

16:40

06:56

13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
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 Good
11 Good
12 Good

Sun - Rise: 07:03, Set: 20:24, Transit: 13:45. Moon - Rise: 16:40, Set: 06:56. Civil Dark: 20:58 - 06:29. Nautical Dark: 21:41 - 05:46. Astro Dark: 22:27 - 05:00

Total 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
13
3

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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
2

High 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

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 (%)

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)

14
14
15
15
15
14
12
11
11
11
11
12
11
11
11
10
10
10
10
10
11
12
14
14

Chance of Frost

Temperature (°C)

17
18
19
20
21
20
19
17
16
14
14
13
12
12
11
11
10
10
9
10
11
13
15
17

Feels Like (°C)

17
18
19
20
21
20
19
17
16
14
14
13
12
12
11
11
10
7
7
7
11
13
15
17

Dew Point (°C)

4
4
4
5
5
6
7
7
7
7
7
7
7
7
7
7
6
6
5
5
5
6
6
7

Relative Humidity (%)

43
40
37
36
36
39
44
51
56
61
65
68
69
71
74
75
77
77
77
73
68
61
56
50

Pressure (mb)

1020
1019
1019
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018

Ozone (du)

304
303
303
303
303
300
297
295
293
293
293
293
293
294
294
294
294
293
292
291
292
293
293
293

Monday 6

Waxing Gibbous 98%

18:08

07:17

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

Sun - Rise: 07:01, Set: 20:25, Transit: 13:44. Moon - Rise: 18:08, Set: 07:17. Civil Dark: 21:00 - 06:26. Nautical Dark: 21:43 - 05:44. Astro Dark: 22:29 - 04:57

Total Clouds (% Sky Obscured)

67
42
56
70
100
100
100
100
100
99
97
93
11
2
1
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
2
7
35
84
0
6
3
1
3
3
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

67
42
56
68
100
100
100
100
100
94
82
38
6
2
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
9
90
100
100
100
95
87
89
6
0
0
0
0
0
0
0
0
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

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

Precipitation Probability (%)

0
0
0
0
0
6
28
28
24
17
14
6
3
2
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.11
0.47
0.21
0.1
0.08
0.06
0.04
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
19
19
17
16
14
12
12
12
11
11
11
10
10
10
9
9
8
8
8
10
12
14
15

Feels Like (°C)

18
19
19
17
16
14
12
12
12
11
11
11
10
10
9
9
8
8
8
8
9
12
14
15

Dew Point (°C)

7
7
7
8
9
10
9
10
10
10
11
10
10
10
10
9
9
8
8
8
9
10
10
10

Relative Humidity (%)

46
45
47
54
63
74
82
87
90
94
96
97
98
100
100
100
100
100
100
100
95
85
78
71

Pressure (mb)

1019
1020
1020
1020
1021
1022
1023
1023
1024
1025
1026
1027
1027
1027
1028
1029
1029
1030
1030
1031
1031
1032
1032
1032

Ozone (du)

293
294
297
302
305
304
301
299
298
297
300
307
318
325
328
329
329
328
326
325
326
328
329
328

Tuesday 7

Waxing Gibbous 100%

19:36

07:38

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

Sun - Rise: 06:59, Set: 20:27, Transit: 13:44. Moon - Rise: 19:36, Set: 07:38. Civil Dark: 21:02 - 06:24. Nautical Dark: 21:45 - 05:41. Astro Dark: 22:31 - 04:54

Total Clouds (% Sky Obscured)

9
16
36
36
31
16
9
0
2
7
1
16
21
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

9
16
29
14
10
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
10
25
24
16
9
0
1
7
1
16
21
0
0
0
0
0
0
0
0
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

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
5
5
5
5
5
5
5
5
5
5
5
4
4
4
5
5
4
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

16
17
18
19
19
18
17
16
14
13
12
12
11
10
10
10
9
9
9
9
11
13
15
17

Feels Like (°C)

16
17
18
19
19
18
17
16
14
13
12
12
11
10
10
9
8
8
8
9
11
13
15
17

Dew Point (°C)

10
9
9
9
9
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
10
11
11
11

Relative Humidity (%)

64
58
54
52
53
56
61
68
75
81
85
89
93
97
99
100
100
100
100
100
95
85
76
68

Pressure (mb)

1032
1032
1032
1031
1031
1031
1030
1030
1030
1031
1031
1030
1030
1030
1029
1028
1028
1028
1027
1027
1027
1027
1027
1027

Ozone (du)

327
326
328
331
334
335
336
336
338
339
341
343
346
349
354
358
359
353
343
336
333
332
332
331

Wednesday 8

Full Moon 99%

21:05

08:00

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

Sun - Rise: 06:57, Set: 20:29, Transit: 13:44. Moon - Rise: 21:05, Set: 08:00. Civil Dark: 21:04 - 06:22. Nautical Dark: 21:47 - 05:39. Astro Dark: 22:34 - 04:51

Total Clouds (% Sky Obscured)

0
23
23
23
23
23
23
16
16
16
16
16
16
38
38
38
38
38
38
91
91
91
91
91

Low Clouds (% Sky Obscured)

0
3
3
3
3
3
3
1
1
1
1
1
1
11
11
11
11
11
11
13
13
13
13
13

Medium Clouds (% Sky Obscured)

0
22
22
22
22
22
22
16
16
16
16
16
16
38
38
38
38
38
38
4
4
4
4
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
89
89
89
89
89

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 (%)

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

Precipitation Amount (mm)

0
0
0
0.02
0.04
0.04
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
5
6
7
7
7
7
7
6
5
5
5
5
6
6
7
7
7
7
7
8
8
8

Chance of Frost

Temperature (°C)

18
19
19
19
19
18
17
16
15
14
13
12
12
12
11
11
11
11
10
11
12
13
15
16

Feels Like (°C)

18
19
19
19
19
18
17
16
15
14
13
12
12
12
11
11
11
11
10
11
12
13
15
16

Dew Point (°C)

11
10
10
10
10
10
10
10
9
9
8
8
8
8
8
8
8
9
9
10
10
10
10
10

Relative Humidity (%)

61
57
55
55
56
59
62
65
67
70
72
74
75
77
79
80
83
87
92
93
89
82
75
69

Pressure (mb)

1027
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026

Ozone (du)

331
330
329
327
326
324
323
321
318
315
313
312
312
312
312
312
312
313
314
315
315
314
313
313

Thursday 9

Waning Gibbous 94%

22:33

08:25

13 Bad
14 Bad
15 Bad
16 Bad
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

Sun - Rise: 06:54, Set: 20:31, Transit: 13:44. Moon - Rise: 22:33, Set: 08:25. Civil Dark: 21:06 - 06:19. Nautical Dark: 21:49 - 05:36. Astro Dark: 22:36 - 04:48

Total Clouds (% Sky Obscured)

91
90
90
90
90
90
90
30
30
30
30
30
30
95
95
95
95
95
95
86
86
86
86
86

Low Clouds (% Sky Obscured)

13
2
2
2
2
2
2
0
0
0
0
0
0
2
2
2
2
2
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

4
31
31
31
31
31
31
23
23
23
23
23
23
9
9
9
9
9
9
1
1
1
1
1

High Clouds (% Sky Obscured)

89
85
85
85
85
85
85
9
9
9
9
9
9
95
95
95
95
95
95
86
86
86
86
86

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 (%)

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

Precipitation Amount (mm)

0
0
0.01
0.01
0.02
0.02
0.02
0.01
0.01
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

7
7
8
10
11
11
11
11
11
11
11
10
9
9
8
8
7
7
7
7
7
8
8
7

Chance of Frost

Temperature (°C)

17
18
18
18
17
16
15
14
13
11
10
9
9
8
8
7
7
6
6
7
8
10
12
13

Feels Like (°C)

17
18
18
18
17
16
15
14
13
11
10
7
6
6
5
5
5
4
4
4
6
8
12
13

Dew Point (°C)

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

Relative Humidity (%)

63
59
56
57
58
62
66
69
71
73
76
82
88
94
99
100
100
100
100
100
98
87
77
68

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1028

Ozone (du)

313
314
314
314
314
313
312
311
310
308
307
305
304
302
300
298
295
293
291
289
289
290
291
291

Friday 10

Waning Gibbous 87%

23:59

08:55

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

Sun - Rise: 06:52, Set: 20:32, Transit: 13:43. Moon - Rise: 23:59, Set: 08:55. Civil Dark: 21:07 - 06:17. Nautical Dark: 21:51 - 05:33. Astro Dark: 22:39 - 04:45

Total Clouds (% Sky Obscured)

86
41
41
41
41
41
41
72
72
72
72
72
72
20
20
20
20
20
20
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
2
2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
95
95
95
95
95

Medium Clouds (% Sky Obscured)

1
7
7
7
7
7
7
15
15
15
15
15
15
11
11
11
11
11
11
100
100
100
100
100

High Clouds (% Sky Obscured)

86
38
38
38
38
38
38
67
67
67
67
67
67
11
11
11
11
11
11
97
97
97
97
97

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 (%)

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.03
0.04

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
17
18
18
18
17
15
14
13
12
11
11
10
10
10
9
9
9
9
10
11
13
13

Feels Like (°C)

15
16
17
18
18
18
17
15
14
13
12
11
11
10
8
8
7
7
7
7
8
11
13
13

Dew Point (°C)

7
7
7
7
7
7
8
8
8
8
7
7
7
8
8
8
8
8
8
8
8
8
8
8

Relative Humidity (%)

61
55
50
48
47
51
57
63
67
71
74
77
81
84
87
89
92
95
96
94
88
81
74
70

Pressure (mb)

1028
1028
1027
1026
1026
1025
1025
1024
1024
1024
1024
1025
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1022

Ozone (du)

292
292
292
292
291
289
286
284
285
286
288
289
289
291
295
300
305
310
315
321
327
333
337
340

Saturday 11

Waning Gibbous 78%

01:19

09:32

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: 06:50, Set: 20:34, Transit: 13:43. Moon - Rise: 01:19, Set: 09:32. Civil Dark: 21:09 - 06:15. Nautical Dark: 21:53 - 05:31. Astro Dark: 22:41 - 04:42

Total Clouds (% Sky Obscured)

100
52
52
52
52
52
52
55
55
55
55
55
55
90
90
90
90
90
90
56
56
56
56
56

Low Clouds (% Sky Obscured)

95
52
52
52
52
52
52
54
54
54
54
54
54
90
90
90
90
90
90
54
54
54
54
54

Medium Clouds (% Sky Obscured)

100
4
4
4
4
4
4
4
4
4
4
4
4
17
17
17
17
17
17
31
31
31
31
31

High Clouds (% Sky Obscured)

97
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)

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

Precipitation Probability (%)

3
2
3
3
2
1
1
1
1
0
1
2
7
12
25
28
25
20
12
5
3
0
0
0

Precipitation Amount (mm)

0.05
0.06
0.06
0.06
0.05
0.03
0.02
0.01
0.01
0
0.01
0.08
0.27
0.47
0.52
0.49
0.4
0.23
0.08
0.02
0.01
0
0
0

Wind Speed/Direction (mph)

8
7
7
7
8
8
9
9
8
7
6
6
6
7
8
8
9
8
7
7
7
7
8
8

Chance of Frost

Temperature (°C)

14
16
16
16
16
15
14
13
12
12
11
11
11
10
10
10
10
10
10
10
10
11
12
13

Feels Like (°C)

14
16
16
16
16
15
14
13
12
12
11
11
11
10
8
8
8
8
8
8
10
11
12
13

Dew Point (°C)

8
8
9
9
9
9
10
9
9
8
8
8
9
9
10
10
10
10
10
10
10
11
12
12

Relative Humidity (%)

66
63
61
62
66
71
75
77
78
78
79
83
89
96
100
100
100
100
100
100
100
100
99
93

Pressure (mb)

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

Ozone (du)

340
341
341
341
341
341
341
342
344
348
349
348
346
344
344
345
348
352
357
361
363
363
361
358

Forecast for Spijkenisse, Spijkenisse, NL (51.86,4.30)

Generated: 05/04/20 12:31:49. Forecast: 05/04/20 to 11/04/20. Timezone: UTC+2.00