Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 76%

15:52

05:29

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

Sun - Rise: 06:30, Set: 20:48, Transit: 13:40. Moon - Rise: 15:52, Set: 05:29. Civil Dark: 21:24 - 05:55. Nautical Dark: 22:08 - 05:10. Astro Dark: 23:00 - 04:18

Total Clouds (% Sky Obscured)

50
55
34
27
34
0
0
0
0
2
0
0
0
0
0
0
0
0
0
15
0
0
0
0

Low Clouds (% Sky Obscured)

0
8
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
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)

50
51
33
27
34
0
0
0
0
2
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 (%)

1
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)

0.01
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)

11
12
11
10
9
8
7
7
7
7
7
7
7
6
6
6
7
8
9
10
10
10
10
10

Chance of Frost

Temperature (°C)

13
13
13
13
11
9
7
6
5
4
3
3
2
1
0
-0
1
4
6
9
10
12
13
14

Feels Like (°C)

13
13
13
13
11
7
5
4
3
1
0
-0
-1
-2
-3
-4
-2
0
3
6
10
12
13
14

Dew Point (°C)

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

Relative Humidity (%)

44
43
44
49
55
60
64
68
71
76
81
85
88
90
96
99
91
79
68
59
52
48
45
41

Pressure (mb)

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

Ozone (du)

370
370
374
376
369
362
361
360
360
360
356
356
357
356
355
352
346
346
347
348
346
344
344
344

Friday 23

Waxing Gibbous 85%

No Rise

05:49

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

Sun - Rise: 06:28, Set: 20:50, Transit: 13:40. Moon - Rise: No Rise, Set: 05:49. Civil Dark: 21:25 - 05:52. Nautical Dark: 22:10 - 05:07. Astro Dark: 23:02 - 04:14

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
40
16
7
43
55
93
94
99
98
99
98
100
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
1
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
0
0
0
0
0
0
0
0
0
40
16
7
43
55
93
94
99
98
99
98
100
99

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
1
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
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
15
15
13
10
8
7
6
5
4
3
3
2
1
1
2
5
8
10
12
13
14
15

Feels Like (°C)

15
16
15
15
13
10
6
5
4
3
2
1
-0
-1
-2
-2
-1
2
5
7
12
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

39
37
39
44
51
56
62
67
72
78
84
89
93
96
98
98
91
81
72
66
59
54
48
45

Pressure (mb)

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

Ozone (du)

343
340
338
339
348
348
347
348
351
350
347
341
334
329
327
325
324
324
324
323
322
321
318
316

Saturday 24

Waxing Gibbous 93%

17:14

06:08

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 OK
07 Good
08 OK
09 Good
10 Good
11 Good
12 Good
13 Good
14 OK
15 OK

Sun - Rise: 06:26, Set: 20:51, Transit: 13:40. Moon - Rise: 17:14, Set: 06:08. Civil Dark: 21:27 - 05:50. Nautical Dark: 22:12 - 05:05. Astro Dark: 23:05 - 04:11

Total Clouds (% Sky Obscured)

98
95
96
91
98
100
98
63
81
95
77
75
49
37
22
14
15
15
15
15
15
15
22
22

Low Clouds (% Sky Obscured)

3
0
3
0
1
1
3
12
26
20
31
70
49
37
22
14
15
15
15
15
15
15
22
22

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)

98
95
96
91
98
100
98
57
76
93
67
14
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
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
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
14
14
13
11
9
8
7
6
5
5
4
3
2
2
3
5
7
9
11
12
13
14

Feels Like (°C)

15
15
14
14
13
11
7
5
4
3
2
1
0
-1
-2
-2
-1
1
3
6
11
12
13
14

Dew Point (°C)

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

Relative Humidity (%)

43
44
48
52
56
61
66
69
74
80
86
89
91
93
95
95
89
82
73
65
57
51
46
42

Pressure (mb)

1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1026
1026
1026
1026
1026
1025
1026
1026
1026
1025
1025
1025
1025
1024

Ozone (du)

315
314
314
315
318
319
320
321
322
323
318
317
316
317
319
320
325
327
329
331
332
333
336
338

Sunday 25

Waxing Gibbous 98%

18:39

06:27

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

Sun - Rise: 06:25, Set: 20:53, Transit: 13:39. Moon - Rise: 18:39, Set: 06:27. Civil Dark: 21:29 - 05:48. Nautical Dark: 22:14 - 05:02. Astro Dark: 23:08 - 04:08

Total Clouds (% Sky Obscured)

22
22
22
22
0
0
0
0
0
0
57
57
57
57
57
57
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

22
22
22
22
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
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
57
57
57
57
57
57
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
1
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
0.01
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
15
13
11
10
8
7
6
5
5
4
3
2
2
4
6
9
11
12
13
15
16

Feels Like (°C)

16
16
16
15
13
11
7
5
4
3
2
1
0
-1
-2
-2
-0
3
6
11
12
13
15
16

Dew Point (°C)

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

Relative Humidity (%)

39
38
41
45
49
54
58
63
70
76
81
86
89
92
94
94
90
83
75
68
62
57
48
44

Pressure (mb)

1023
1023
1023
1023
1022
1022
1022
1023
1023
1022
1021
1021
1021
1020
1020
1020
1019
1018
1018
1017
1016
1015
1015
1014

Ozone (du)

340
342
345
347
351
353
355
358
359
358
359
359
362
364
366
368
371
371
370
369
369
369
366
366

Monday 26

Waxing Gibbous 100%

20:07

06:48

16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
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

Sun - Rise: 06:23, Set: 20:54, Transit: 13:39. Moon - Rise: 20:07, Set: 06:48. Civil Dark: 21:31 - 05:46. Nautical Dark: 22:17 - 05:00. Astro Dark: 23:11 - 04:05

Total Clouds (% Sky Obscured)

0
0
0
0
4
4
4
4
4
4
98
98
98
98
98
98
87
87
87
87
87
87
96
96

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
86
86
86
86
86
86
96
96

High Clouds (% Sky Obscured)

0
0
0
0
4
4
4
4
4
4
98
98
98
98
98
98
11
11
11
11
11
11
9
9

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

Precipitation Amount (mm)

0
0
0.04
0.08
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0.01
0
0
0
0

Wind Speed/Direction (mph)

14
14
13
12
12
11
10
9
8
8
9
8
8
8
8
9
10
10
11
12
13
13
14
14

Chance of Frost

Temperature (°C)

16
16
15
14
13
12
10
9
8
7
7
6
5
5
4
4
5
7
9
10
12
13
14
15

Feels Like (°C)

16
16
15
14
13
12
10
7
6
5
4
3
2
2
1
1
2
3
6
10
12
13
14
15

Dew Point (°C)

4
3
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
3
3

Relative Humidity (%)

43
44
47
51
53
57
60
64
71
77
79
84
88
91
91
91
89
82
74
66
60
54
49
44

Pressure (mb)

1013
1012
1012
1011
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1009
1010
1009
1009
1009
1009
1008
1007
1007

Ozone (du)

365
363
362
361
362
362
361
362
364
365
368
370
373
379
389
401
417
420
419
418
418
418
417
417

Tuesday 27

Full Moon 99%

21:36

07:13

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

Sun - Rise: 06:21, Set: 20:56, Transit: 13:39. Moon - Rise: 21:36, Set: 07:13. Civil Dark: 21:32 - 05:44. Nautical Dark: 22:19 - 04:58. Astro Dark: 23:13 - 04:02

Total Clouds (% Sky Obscured)

96
96
96
96
97
97
97
97
97
97
16
16
16
16
16
16
80
80
80
80
80
80
58
58

Low Clouds (% Sky Obscured)

0
0
0
0
16
16
16
16
16
16
15
15
15
15
15
15
80
80
80
80
80
80
40
40

Medium Clouds (% Sky Obscured)

96
96
96
96
90
90
90
90
90
90
3
3
3
3
3
3
4
4
4
4
4
4
52
52

High Clouds (% Sky Obscured)

9
9
9
9
92
92
92
92
92
92
1
1
1
1
1
1
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
1
1
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
2
3

Precipitation Amount (mm)

0
0
0
0
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.02
0.03
0.04
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
15
14
13
11
8
7
6
5
4
4
4
3
3
3
4
6
7
10
11
12
13

Dew Point (°C)

3
3
3
3
4
4
4
5
5
5
6
6
6
6
5
5
5
5
5
5
5
4
4
4

Relative Humidity (%)

40
39
42
45
50
56
64
70
77
83
88
92
94
94
92
90
87
84
79
73
67
62
57
54

Pressure (mb)

1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1008
1008
1008
1008
1007
1007
1007
1006

Ozone (du)

416
414
411
406
403
403
403
403
403
403
402
399
396
395
397
401
403
402
399
397
395
394
392
389

Wednesday 28

Waning Gibbous 95%

23:06

07:45

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

Sun - Rise: 06:19, Set: 20:58, Transit: 13:39. Moon - Rise: 23:06, Set: 07:45. Civil Dark: 21:34 - 05:42. Nautical Dark: 22:21 - 04:55. Astro Dark: 23:16 - 03:59

Total Clouds (% Sky Obscured)

58
58
58
58
48
48
48
48
48
48
4
4
4
4
4
4
0
0
0
0
0
0
85
85

Low Clouds (% Sky Obscured)

40
40
40
40
31
31
31
31
31
31
4
4
4
4
4
4
0
0
0
0
0
0
65
65

Medium Clouds (% Sky Obscured)

52
52
52
52
36
36
36
36
36
36
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
60
60

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

Precipitation Probability (%)

4
5
8
12
13
11
6
3
2
0
0
2
6
12
14
14
14
21
31
36
42
52
58
63

Precipitation Amount (mm)

0.05
0.06
0.08
0.13
0.17
0.13
0.07
0.03
0.01
0
0
0.01
0.06
0.13
0.14
0.13
0.13
0.18
0.26
0.38
0.55
0.78
0.96
1.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
13
12
11
10
10
9
9
9
8
8
7
7
7
7
7
7
9
10
10
11
11
11

Feels Like (°C)

14
14
13
12
11
10
8
7
7
7
6
6
5
4
4
4
4
5
6
7
10
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

53
58
67
80
88
92
92
92
93
93
95
100
100
100
100
100
100
100
100
94
89
84
83
85

Pressure (mb)

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

Ozone (du)

385
382
381
380
380
379
379
379
380
383
385
386
386
385
384
383
382
382
381
380
379
376
375
373

Forecast for Charleroi, Hainaut, BE (50.41,4.44)

Generated: 22/04/21 16:12:34. Forecast: 22/04/21 to 28/04/21. Timezone: UTC+2.00