Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Gibbous 87%

17:01

05:14

21 Bad
22 Bad
23 Good
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
17 Bad
18 OK
19 OK
20 OK

Sun - Rise: 06:22, Set: 20:11, Transit: 13:16. Moon - Rise: 17:01, Set: 05:14. Civil Dark: 20:42 - 05:51. Nautical Dark: 21:18 - 05:12. Astro Dark: 22:00 - 04:31

Total Clouds (% Sky Obscured)

53
53
17
83
72
86
85
83
83
87
62
96
100
100
100
99
92
82
84
75
54
28
26
29

Low Clouds (% Sky Obscured)

24
31
0
38
48
75
20
15
69
73
36
52
64
66
54
56
59
72
68
62
47
36
36
33

Medium Clouds (% Sky Obscured)

56
46
45
50
36
52
50
49
40
43
25
62
100
100
100
98
52
0
4
0
0
0
0
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
0
9
9
9
9
8
9
9
9
9
9
5
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
Snow
None
None
None
None
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
10
26
13
5
9
12
33
49
50
40
27
20
17
18
8
11
2
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0
0
0
0
0.1
0.2
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
7
6
7
6
6
6
7
7
5
6
10
12
13
13
15
15
16
15
16
15
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
77
85
86
70
70
77
94
79
80
81
77
71
61
54
52
54
59
55
60
58
61
67
74

Pressure (mb)

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

Ozone (du)

377
382
388
391
397
412
425
427
431
436
440
446
457
473
480
479
479
478
482
474
463
461
460
463

Saturday 20

Waxing Gibbous 93%

18:04

05:30

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

Sun - Rise: 06:20, Set: 20:12, Transit: 13:16. Moon - Rise: 18:04, Set: 05:30. Civil Dark: 20:43 - 05:49. Nautical Dark: 21:20 - 05:10. Astro Dark: 22:01 - 04:29

Total Clouds (% Sky Obscured)

37
49
59
37
46
65
63
54
35
42
29
32
56
35
40
30
65
79
47
59
47
42
22
15

Low Clouds (% Sky Obscured)

41
52
67
62
73
95
89
67
46
60
38
42
42
53
44
33
48
28
31
30
29
5
23
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
4
0
0
0
0
68
0
34
31
29
48
0
15
48
50
25
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
6
2
0
0
0
71
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
1
0
1
2
1
0
0
0
0
0
0
0
0
0
1
0
2
3
3
4
4
6

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
81
78
83
84
84
84
83
81
80
73
61
49
43
41
43
46
47
49
57
64
67
68

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1015
1016
1016
1016
1016
1015
1015
1015
1014
1013
1013
1013
1012
1012
1012
1013
1013

Ozone (du)

455
450
451
451
451
449
447
448
451
458
464
464
455
446
443
436
436
434
429
430
433
434
431
429

Sunday 21

Waxing Gibbous 97%

19:09

05:45

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

Sun - Rise: 06:19, Set: 20:13, Transit: 13:16. Moon - Rise: 19:09, Set: 05:45. Civil Dark: 20:44 - 05:47. Nautical Dark: 21:21 - 05:09. Astro Dark: 22:03 - 04:26

Total Clouds (% Sky Obscured)

24
34
12
32
21
0
0
1
1
3
0
0
0
31
16
3
6
8
39
45
33
60
52
66

Low Clouds (% Sky Obscured)

18
33
11
42
26
0
0
0
0
0
0
0
0
48
12
0
0
0
5
5
0
0
0
11

Medium Clouds (% Sky Obscured)

0
0
3
0
0
0
0
0
0
0
0
0
0
0
6
1
4
4
7
7
17
41
41
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
1
3
5
3
7
10
24

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 (%)

6
1
4
7
5
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)

13
12
9
8
7
5
4
3
2
1
1
2
4
6
7
8
9
9
9
10
10
8
5
5

Chance of Frost

Temperature (°C)

3
3
2
1
1
0
-1
-1
-1
-1
-1
0
2
3
5
6
7
8
9
10
10
10
9
8

Feels Like (°C)

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

Dew Point (°C)

-3
-4
-3
-3
-5
-6
-5
-5
-4
-4
-5
-8
-11
-11
-11
-10
-9
-8
-5
-3
0
1
2
3

Relative Humidity (%)

64
62
70
71
67
66
72
77
78
80
74
54
38
34
32
31
30
31
36
42
49
55
62
74

Pressure (mb)

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

Ozone (du)

430
434
438
440
440
440
436
434
428
425
424
428
426
427
429
427
427
428
425
425
420
414
413
412

Monday 22

Waxing Gibbous 99%

No Rise

06:02

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:17, Set: 20:14, Transit: 13:16. Moon - Rise: No Rise, Set: 06:02. Civil Dark: 20:46 - 05:45. Nautical Dark: 21:23 - 05:07. Astro Dark: 22:05 - 04:24

Total Clouds (% Sky Obscured)

67
69
79
90
100
97
100
100
100
100
100
100
100
100
94
88
83
88
95
100
100
100
86
97

Low Clouds (% Sky Obscured)

30
40
45
52
46
37
33
32
27
23
25
47
73
100
87
75
63
67
73
80
86
93
96
94

Medium Clouds (% Sky Obscured)

27
25
49
56
100
90
100
100
100
100
100
100
100
100
89
77
66
58
67
73
39
31
17
53

High Clouds (% Sky Obscured)

24
25
47
74
100
98
100
100
68
40
10
43
72
100
75
50
2
2
4
5
8
10
12
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
3
3
3
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
9
14
16
39
72
95
95
95
95
79
83
82
70
63
49
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
1.1
1.2
1.2
0.7
0.4
0.4
0.4
0.3
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
6
6
6
6
6
6
6
6
6
7
7
8
8
8
9
10
11
10
10
10
8
6
4

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
4
4
3
3
3
4
4
4
5
7
8
9
10
9
9
9
7
5
3

Relative Humidity (%)

81
82
83
83
88
90
91
85
83
81
82
79
74
82
93
93
95
93
91
95
95
95
93
96

Pressure (mb)

1014
1014
1013
1013
1012
1012
1011
1010
1010
1009
1008
1007
1007
1006
1005
1005
1004
1004
1004
1004
1004
1005
1006
1007

Ozone (du)

411
409
408
409
410
412
415
417
416
418
419
421
418
416
414
414
419
426
430
431
433
432
431
431

Tuesday 23

Full Moon 100%

No Rise

06:22

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:15, Set: 20:16, Transit: 13:15. Moon - Rise: No Rise, Set: 06:22. Civil Dark: 20:47 - 05:44. Nautical Dark: 21:25 - 05:05. Astro Dark: 22:07 - 04:22

Total Clouds (% Sky Obscured)

93
90
88
78
89
86
84
82
74
65
55
50
55
55
58
61
72
74
72
70
75
80
80
70

Low Clouds (% Sky Obscured)

88
83
83
76
83
82
82
82
68
61
50
50
50
40
39
39
40
39
39
35
35
40
45
40

Medium Clouds (% Sky Obscured)

51
45
34
2
1
4
3
2
8
0
1
1
1
1
0
0
0
9
15
21
30
36
35
32

High Clouds (% Sky Obscured)

14
9
5
0
5
13
17
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Light Rain
Moderate Rain
Light Rain
None
None
None
None
None
None
None
Snow
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow

Precipitation Probability (%)

91
95
95
12
7
9
10
24
35
40
45
38
33
25
26
27
26
28
29
28
42
47
49
56

Precipitation Amount (mm)

0.5
4
0.6
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0.1
0.1
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
-1
-3
-4
-6
-8
-9
-10
-11
-11
-11
-12
-11
-10
-10
-9
-9
-8
-6
-6
-7
-7
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

94
96
98
96
96
92
90
90
92
92
92
90
84
78
72
68
63
59
63
66
68
75
83
91

Pressure (mb)

1009
1010
1011
1013
1014
1015
1016
1017
1019
1020
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

431
433
432
430
434
438
442
447
444
440
439
445
460
475
490
493
497
501
502
503
504
506
508
510

Wednesday 24

Waning Gibbous 98%

21:24

06:45

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:14, Set: 20:17, Transit: 13:15. Moon - Rise: 21:24, Set: 06:45. Civil Dark: 20:49 - 05:42. Nautical Dark: 21:26 - 05:03. Astro Dark: 22:09 - 04:20

Total Clouds (% Sky Obscured)

60
55
55
60
70
70
70
70
81
86
95
96
98
99
99
100
100
91
83
74
77
76
73
52

Low Clouds (% Sky Obscured)

35
35
30
35
40
40
45
55
60
74
78
72
62
56
38
39
35
30
35
40
40
48
45
31

Medium Clouds (% Sky Obscured)

29
30
38
41
44
51
53
60
69
78
87
90
92
95
95
96
96
69
43
16
19
22
20
16

High Clouds (% Sky Obscured)

0
0
0
0
0
4
13
25
34
41
46
58
68
78
86
90
94
65
36
7
4
3
0
0

ISS Passover

Visibility (miles)

0
0
0
1
2
4
3
2
0
3
6
9
9
9
9
9
8
8
8
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

Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

59
58
61
64
67
58
47
32
35
32
23
22
17
3
10
11
11
12
12
11
8
7
1
1

Precipitation Amount (mm)

0.2
0.2
0.2
0.3
0.3
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-9
-9
-9
-10
-8
-8
-8
-8
-8
-8
-7
-6
-5
-4
-4
-2
0
1
1
2
1
2

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
89
87
84
86
87
89
86
83
80
77
74
72
75
76
78
78
76
77
76
76
78

Pressure (mb)

1023
1023
1023
1023
1022
1022
1023
1023
1023
1023
1023
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1022
1022

Ozone (du)

506
502
498
495
491
488
485
482
479
478
476
475
474
472
471
467
462
458
454
451
447
444
441
439

Thursday 25

Waning Gibbous 95%

22:35

07:15

21 OK
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 OK
06 OK
07 OK
08 OK
09 Good
10 Good
11 Good
12 Good
13 Good

Sun - Rise: 06:12, Set: 20:18, Transit: 13:15. Moon - Rise: 22:35, Set: 07:15. Civil Dark: 20:50 - 05:40. Nautical Dark: 21:28 - 05:01. Astro Dark: 22:11 - 04:18

Total Clouds (% Sky Obscured)

32
13
12
9
5
4
3
2
17
27
37
25
11
0
0
0
0

Low Clouds (% Sky Obscured)

16
3
3
3
2
1
1
1
2
2
2
2
1
0
0
0
0

Medium Clouds (% Sky Obscured)

11
5
3
1
0
0
0
0
4
9
13
10
5
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
12
24
36
22
10
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
3
2
2
1
0
-0
-1
-1
-1
0
1
3
6
8
9
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
82
83
86
88
91
91
92
86
77
70
61
53
46
45
46

Pressure (mb)

1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1021
1021
1021

Ozone (du)

438
438
437
433
429
425
424
423
422
424
427
429
426
422
419
417
415

Forecast for Glen Echo, Canada (44.94,-79.51)

Generated: 19/04/24 21:30:18. Forecast: 19/04/24 to 25/04/24. Timezone: UTC-4.00