Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 16

Waning Crescent 0%

05:47

18:57

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:03, Set: 19:35, Transit: 12:49. Moon - Rise: 05:47, Set: 18:57. Civil Dark: 20:04 - 05:33. Nautical Dark: 20:40 - 04:57. Astro Dark: 21:19 - 04:18

Total Clouds (% Sky Obscured)

57
67
74
80
100
100
100
100
100
100
100
100
100
100
100
100
86
95
100
100
100
100
97
97

Low Clouds (% Sky Obscured)

14
2
18
27
13
37
35
20
29
60
75
48
36
63
63
71
63
90
81
50
36
45
56
63

Medium Clouds (% Sky Obscured)

56
41
30
19
62
59
57
76
100
100
100
78
85
73
50
39
38
32
56
69
79
86
89
92

High Clouds (% Sky Obscured)

57
67
74
80
100
100
100
100
100
100
100
100
100
100
100
100
75
50
50
55
51
70
31
70

ISS Passover

Visibility (miles)

9
9
9
7
9
9
8
8
9
4
9
9
9
9
9
9
9
9
9
9
9
8
9
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

2
7
15
56
63
95
95
90
66
58
37
29
13
10
17
10
12
28
31
40
67
47
36
24

Precipitation Amount (mm)

0
0
0
0
0
0.8
2
0.4
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
25
25
24
22
20
19
18
18
18
18
17
17
16
16
16
17
17
17
17
17
17
18
19

Feels Like (°C)

26
25
26
25
23
20
20
19
19
18
19
19
17
17
16
16
16
16
15
15
14
15
17
18

Dew Point (°C)

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

Relative Humidity (%)

51
63
70
80
87
91
93
93
95
95
96
96
95
93
93
92
90
83
81
79
83
89
90
92

Pressure (mb)

1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1006
1006
1006
1007
1007
1008
1009
1010
1011
1011
1012
1013
1013
1013

Ozone (du)

305
305
305
304
306
309
309
312
315
315
316
318
324
327
326
330
330
330
335
340
339
341
345
344

Friday 17

New Moon 2%

06:16

20:18

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

Sun - Rise: 06:01, Set: 19:36, Transit: 12:49. Moon - Rise: 06:16, Set: 20:18. Civil Dark: 20:06 - 05:31. Nautical Dark: 20:42 - 04:55. Astro Dark: 21:21 - 04:16

Total Clouds (% Sky Obscured)

99
79
74
70
60
49
50
46
38
40
83
57
63
83
31
19
68
78
93
90
80
74
77
75

Low Clouds (% Sky Obscured)

44
50
68
65
49
40
35
31
29
33
83
30
19
19
14
13
67
78
90
89
80
74
77
75

Medium Clouds (% Sky Obscured)

81
43
0
10
38
38
28
32
23
10
2
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
14
19
50
4
2
15
16
52
36
15
16
41
47

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
1
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 (%)

16
3
2
3
8
10
4
1
0
0
0
0
0
0
0
0
0
10
5
4
10
1
1
8

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
18
17
15
15
14
13
12
12
10
8
9
8
7
9
12
11
11
12
12
12
13
13

Dew Point (°C)

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

Relative Humidity (%)

91
81
83
83
87
92
95
95
95
96
95
91
96
96
96
95
88
84
84
82
84
85
79
78

Pressure (mb)

1013
1014
1015
1015
1017
1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019
1018
1018
1017
1016

Ozone (du)

339
337
335
336
334
333
331
327
324
325
327
329
330
336
340
341
338
334
329
326
324
322
322
322

Saturday 18

Waxing Crescent 8%

06:53

21:41

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
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:00, Set: 19:37, Transit: 12:49. Moon - Rise: 06:53, Set: 21:41. Civil Dark: 20:07 - 05:30. Nautical Dark: 20:43 - 04:53. Astro Dark: 21:22 - 04:14

Total Clouds (% Sky Obscured)

95
94
96
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
92

Low Clouds (% Sky Obscured)

80
77
84
87
81
92
98
94
97
100
100
100
98
98
98
99
96
100
88
90
84
96
89
83

Medium Clouds (% Sky Obscured)

0
42
52
100
100
99
87
99
100
94
100
100
100
100
100
100
100
100
100
100
100
100
84
70

High Clouds (% Sky Obscured)

86
45
48
53
43
32
39
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
87
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
4
2
3
2
4
3
0
4
8
9
9
9
3
2

Fog (%)

0
0
0
0
0
0
0
0
0
0
4
38
66
69
67
74
70
70
70
70
70
70
70
70

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
1
5
12
53
65
51
80
95
95
95
95
95
95
95
95
95
95
94
90
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0
0.4
0.9
1.6
1.6
1.6
0.9
1.2
1.2
1.6
0.7
0.9
0.6
0.6
0.8

Wind Speed/Direction (mph)

10
10
10
9
9
7
5
5
6
6
6
6
6
6
6
5
4
6
9
8
8
9
8
9

Chance of Frost

Temperature (°C)

15
15
14
12
10
9
9
9
8
8
8
8
8
8
8
9
9
10
9
8
9
8
7
8

Feels Like (°C)

12
12
11
9
7
7
7
7
7
6
6
6
6
6
6
7
8
9
7
4
5
4
3
4

Dew Point (°C)

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

Relative Humidity (%)

75
76
78
81
81
84
85
87
93
93
95
96
98
96
98
98
98
96
90
88
85
87
93
93

Pressure (mb)

1015
1014
1014
1014
1014
1014
1014
1013
1013
1012
1011
1010
1009
1008
1007
1007
1007
1008
1008
1008
1009
1009
1009
1009

Ozone (du)

324
326
326
325
323
321
323
323
322
321
320
319
319
320
321
322
321
321
322
323
322
323
323
324

Sunday 19

Waxing Crescent 16%

07:40

23:03

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

Sun - Rise: 05:58, Set: 19:38, Transit: 12:49. Moon - Rise: 07:40, Set: 23:03. Civil Dark: 20:08 - 05:28. Nautical Dark: 20:45 - 04:51. Astro Dark: 21:24 - 04:12

Total Clouds (% Sky Obscured)

89
82
81
77
73
72
9
7
9
15
21
26
29
42
61
77
76
93
92
95
97
100
86
72

Low Clouds (% Sky Obscured)

83
78
80
15
6
15
5
4
4
5
4
4
9
14
23
25
31
89
92
86
80
73
70
71

Medium Clouds (% Sky Obscured)

69
66
71
68
3
1
1
1
1
0
0
0
0
0
0
0
7
14
24
47
78
100
78
56

High Clouds (% Sky Obscured)

45
45
55
60
60
60
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
2
5
7
7
7
9
9
9
9
9
9
9
9
9
9
9
9
8
8
2
1
7
9

Fog (%)

70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70

Precipitation Type

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

Precipitation Probability (%)

95
92
53
19
15
10
4
2
1
1
5
8
8
17
19
26
25
37
47
46
41
38
25
12

Precipitation Amount (mm)

0.8
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.1
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
9
8
7
6
5
5
4
3
2
2
1
0
-0
-1
-1
0
2
3
4
4
5
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
93
90
88
86
85
82
82
82
80
78
77
78
81
77
65
58
54
49
44
47
45
39

Pressure (mb)

1009
1010
1010
1011
1012
1013
1014
1015
1015
1016
1017
1017
1018
1019
1019
1020
1021
1022
1023
1023
1023
1023
1023
1024

Ozone (du)

324
324
325
330
337
340
353
364
364
371
382
394
397
404
407
406
406
404
408
410
414
412
410
410

Monday 20

Waxing Crescent 16%

08:39

00:18

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

Sun - Rise: 05:56, Set: 19:39, Transit: 12:48. Moon - Rise: 08:39, Set: 00:18. Civil Dark: 20:09 - 05:26. Nautical Dark: 20:46 - 04:49. Astro Dark: 21:26 - 04:10

Total Clouds (% Sky Obscured)

58
44
17
2
1
2
0
1
1
0
8
16
24
18
9
0
9
22
33
36
40
48
46
43

Low Clouds (% Sky Obscured)

58
44
11
1
1
1
0
0
1
0
8
16
24
18
9
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

35
24
12
0
0
0
0
0
0
0
0
0
0
2
2
0
1
2
3
13
23
38
39
32

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
0
9
22
33
36
37
37
29
22

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 (%)

70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70

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
9
3
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

Wind Speed/Direction (mph)

10
10
9
7
3
3
2
3
2
2
2
2
2
2
2
2
3
5
6
8
9
11
12
12

Chance of Frost

Temperature (°C)

6
5
4
3
1
-0
-1
-3
-3
-3
-3
-3
-4
-4
-3
-1
1
3
5
8
9
10
12
12

Feels Like (°C)

-0
0
-1
0
-0
-2
-2
-4
-4
-4
-4
-4
-5
-5
-5
-2
-0
0
1
2
2
3
4
9

Dew Point (°C)

-9
-8
-8
-7
-6
-6
-7
-8
-8
-8
-9
-9
-10
-10
-9
-9
-10
-11
-11
-11
-10
-10
-9
-7

Relative Humidity (%)

34
38
40
48
60
63
66
67
68
67
65
65
64
63
64
54
42
35
30
25
24
23
23
26

Pressure (mb)

1024
1024
1025
1026
1027
1028
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1029
1028
1027
1025
1024
1022
1021

Ozone (du)

413
416
425
434
442
446
452
449
436
424
417
416
412
409
410
412
415
411
408
404
399
394
389
389

Tuesday 21

Waxing Crescent 26%

09:50

01:19

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

Sun - Rise: 05:55, Set: 19:40, Transit: 12:48. Moon - Rise: 09:50, Set: 01:19. Civil Dark: 20:11 - 05:25. Nautical Dark: 20:48 - 04:48. Astro Dark: 21:27 - 04:08

Total Clouds (% Sky Obscured)

39
53
69
85
80
74
68
76
84
91
90
88
87
79
81
76
55
30
7
18
30
45
61
78

Low Clouds (% Sky Obscured)

0
0
0
2
2
3
3
22
41
58
61
65
68
66
64
62
42
21
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

29
45
69
85
67
38
10
21
36
52
57
62
67
45
24
2
1
0
0
0
0
0
1
1

High Clouds (% Sky Obscured)

13
8
4
0
0
0
0
0
17
25
34
39
26
21
13
3
0
0
0
1
3
11
18
52

ISS Passover

Visibility (miles)

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

Fog (%)

70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70

Precipitation Type

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

Precipitation Probability (%)

1
2
3
2
4
4
3
28
47
66
64
59
56
48
36
2
3
3
0
1
2
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
12
11
11
10
10
9
8
7
6
4
3
3
3
4
5
7
8
10
10
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
9
9
10
4
4
3
3
2
2
2
2
3
2
2
2
5
5
5
7
7
9
11

Dew Point (°C)

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

Relative Humidity (%)

28
32
37
42
49
54
59
65
74
82
93
94
96
96
96
94
93
75
61
49
48
45
45
43

Pressure (mb)

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

Ozone (du)

388
387
385
382
379
377
374
371
373
374
375
377
378
380
385
389
394
393
392
392
391
391
390
390

Wednesday 22

Waxing Crescent 37%

11:06

02:07

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
13 Bad

Sun - Rise: 05:53, Set: 19:42, Transit: 12:48. Moon - Rise: 11:06, Set: 02:07. Civil Dark: 20:12 - 05:23. Nautical Dark: 20:49 - 04:46. Astro Dark: 21:29 - 04:06

Total Clouds (% Sky Obscured)

95
84
70
57
54
54
51
70
84
99
96
87
81
87
92
98
95
92
91
87
81
74

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

2
2
3
3
2
2
2
19
36
53
59
46
50
59
74
89
87
87
85
64
37
10

High Clouds (% Sky Obscured)

69
50
46
38
23
16
8
34
66
95
80
68
57
73
82
94
84
70
55
43
32
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

Fog (%)

70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70
70

Precipitation Type

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

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
11
9
6
6
4
3
3
2
2
2
1
1
3
4
6
8
11
13
14
15

Feels Like (°C)

10
10
10
10
11
3
3
3
2
2
1
-1
-1
-1
-1
-1
0
5
6
6
7
8

Dew Point (°C)

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

Relative Humidity (%)

43
43
52
63
78
79
80
83
83
81
81
81
81
80
76
71
67
57
48
40
35
30

Pressure (mb)

1018
1018
1019
1020
1021
1021
1022
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1023
1023
1022
1021

Ozone (du)

389
389
388
388
387
387
388
388
388
388
388
388
389
389
389
390
390
390
390
390
390
390

Forecast for Chester, Windsor, United States of America (43.26,-72.60)

Generated: 16/04/26 16:40:57. Forecast: 16/04/26 to 22/04/26. Timezone: UTC-4.00