Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 22

Waxing Crescent 56%

12:38

01:39

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: 05:18, Set: 20:16, Transit: 12:47. Moon - Rise: 12:38, Set: 01:39. Civil Dark: 20:50 - 04:44. Nautical Dark: 21:32 - 04:01. Astro Dark: 22:22 - 03:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
18
15
20
11
0
0
0
0
0
0
0
0
0
4
27
22
7
0
0

Medium Clouds (% Sky Obscured)

11
25
23
1
0
0
0
1
1
2
46
76
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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

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)

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

Chance of Frost

Temperature (°C)

13
12
10
8
7
7
6
6
6
6
9
12
14
16
17
18
18
19
18
18
17
16
15
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
54
58
63
64
64
65
69
71
74
70
65
59
51
46
46
43
45
47
49
55
59
62
62

Pressure (mb)

1029
1030
1030
1031
1031
1031
1032
1032
1032
1033
1033
1033
1034
1033
1033
1033
1033
1032
1032
1032
1032
1032
1032
1033

Ozone (du)

336
337
337
336
336
336
335
336
338
338
337
337
336
336
336
337
336
337
335
336
336
336
334
333

Saturday 23

First Quarter 66%

13:47

02:00

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: 05:17, Set: 20:17, Transit: 12:47. Moon - Rise: 13:47, Set: 02:00. Civil Dark: 20:51 - 04:43. Nautical Dark: 21:33 - 04:00. Astro Dark: 22:24 - 03:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
3
34
37
65
70
75
79
78
86
88
95
96
100
99
100
99
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
98
99
100
100
100
100
100
100
52
55
48
54
51

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
82
76
83
100
52
7
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
3
3
4
4
2
1
2
5
6
3
2
1
1
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
0

Precipitation Type

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

Precipitation Probability (%)

7
13
27
24
18
20
30
48
71
95
95
95
95
95
95
95
95
95
95
95
95
57
65
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.6
1
0.8
0.9
1
2
1.3
1.3
1
1.2
0.6
0.7
0
0.4
0.3

Wind Speed/Direction (mph)

6
6
5
4
3
3
3
4
4
4
7
7
8
7
6
7
7
7
7
6
6
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
3
3
3
4
4
4
4
5
8
8
8
8
8
8
8
8
8
7
8
8
8
8
8

Relative Humidity (%)

57
55
55
57
64
66
67
66
76
91
95
96
96
96
96
96
96
96
96
98
98
98
98
98

Pressure (mb)

1033
1033
1033
1033
1033
1032
1032
1032
1032
1032
1032
1033
1032
1032
1032
1031
1031
1030
1029
1029
1028
1028
1027
1027

Ozone (du)

334
333
335
335
333
332
331
331
332
332
333
334
336
336
337
339
344
351
342
340
341
336
333
334

Sunday 24

Waxing Gibbous 76%

14:53

02:19

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: 05:16, Set: 20:18, Transit: 12:47. Moon - Rise: 14:53, Set: 02:19. Civil Dark: 20:52 - 04:42. Nautical Dark: 21:34 - 03:59. Astro Dark: 22:25 - 03:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
92
87
88
85
87
86
86
85
84
86
83
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
92
87
83
81
82
82
76
67
70
69
69
74
17

Medium Clouds (% Sky Obscured)

59
47
5
0
1
12
14
38
33
62
40
35
35
30
31
14
7
13
18
17
12
6
2
1

High Clouds (% Sky Obscured)

15
16
16
73
49
68
100
100
100
100
100
45
70
75
67
0
0
0
0
0
48
48
100
100

ISS Passover

Visibility (miles)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
7
8
9
9
9
9
9
9
9

Fog (%)

0
0
0
9
5
3
4
7
9
11
21
27
32
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 (%)

17
16
10
1
1
0
0
0
0
0
2
17
18
51
42
5
11
0
1
0
1
1
9
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)

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

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
9
8
8
9
9
9
11
12
14
16
19
20
21
22
22
21
20
19

Feels Like (°C)

7
7
7
7
7
7
7
7
7
8
8
9
10
12
13
16
18
20
22
22
23
22
21
19

Dew Point (°C)

8
8
8
8
8
8
9
8
8
8
9
9
10
12
14
16
17
16
16
16
17
17
16
16

Relative Humidity (%)

98
98
100
100
98
98
100
100
100
98
98
98
98
96
96
98
89
76
71
70
73
74
77
81

Pressure (mb)

1027
1027
1026
1025
1025
1024
1023
1023
1023
1023
1023
1023
1023
1022
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018

Ozone (du)

331
330
330
330
330
328
329
330
330
332
333
335
336
338
338
342
343
344
346
345
343
343
344
345

Monday 25

Waxing Gibbous 72%

15:58

02:38

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 OK
11 OK
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:15, Set: 20:19, Transit: 12:47. Moon - Rise: 15:58, Set: 02:38. Civil Dark: 20:53 - 04:41. Nautical Dark: 21:35 - 03:58. Astro Dark: 22:27 - 03:06

Total Clouds (% Sky Obscured)

100
82
100
100
100
100
100
100
93
84
74
58
41
25
35
34
50
58
66
75
79
78
82
67

Low Clouds (% Sky Obscured)

7
11
10
9
9
6
6
9
6
3
0
0
0
0
1
1
3
5
6
6
12
20
30
19

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
12
22
33
24
12
0
14
31
48
58
66
75
52
26
0
0

High Clouds (% Sky Obscured)

100
82
100
100
100
100
100
100
68
37
5
5
5
5
0
0
0
0
0
0
33
67
82
67

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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
2
1
3
4
7
10

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

Chance of Frost

Temperature (°C)

17
15
14
13
12
12
11
11
11
12
14
16
19
21
24
25
26
27
27
27
27
26
24
22

Feels Like (°C)

17
15
14
13
12
11
11
11
10
12
14
16
19
21
23
25
27
28
27
26
26
26
25
23

Dew Point (°C)

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

Relative Humidity (%)

89
93
93
95
95
96
96
95
96
95
93
85
75
65
54
46
39
33
32
36
43
55
66
79

Pressure (mb)

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

Ozone (du)

344
342
344
343
343
344
344
346
345
345
343
345
347
346
347
349
351
352
354
356
355
354
353
352

Tuesday 26

Waxing Gibbous 84%

17:04

02:57

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 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK

Sun - Rise: 05:15, Set: 20:20, Transit: 12:47. Moon - Rise: 17:04, Set: 02:57. Civil Dark: 20:54 - 04:41. Nautical Dark: 21:37 - 03:57. Astro Dark: 22:29 - 03:04

Total Clouds (% Sky Obscured)

49
46
65
74
100
100
90
87
74
65
55
52
40
37
44
56
55
55
46
36
41
35
30
22

Low Clouds (% Sky Obscured)

10
0
22
36
59
61
50
48
45
38
30
29
28
28
34
36
41
46
46
36
41
35
30
22

Medium Clouds (% Sky Obscured)

0
5
10
8
29
30
22
20
5
0
0
12
24
36
34
31
29
42
40
36
7
3
3
2

High Clouds (% Sky Obscured)

49
42
60
70
100
90
75
70
60
55
40
11
7
3
7
15
15
15
10
15
30
35
30
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 (%)

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

Precipitation Probability (%)

10
22
11
21
13
4
2
10
1
0
3
10
11
6
30
43
48
62
73
83
76
53
11
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.5
0.5
0.3
0
0

Wind Speed/Direction (mph)

5
4
5
5
5
5
4
4
4
5
5
7
7
8
10
10
10
11
10
9
9
9
9
9

Chance of Frost

Temperature (°C)

20
19
17
18
17
17
17
16
15
15
16
17
19
22
23
23
24
25
24
23
22
21
20
19

Feels Like (°C)

22
20
18
18
18
17
17
16
15
15
17
17
18
20
20
20
21
21
22
21
20
21
22
23

Dew Point (°C)

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

Relative Humidity (%)

86
88
88
83
85
89
90
95
95
90
85
72
63
55
48
45
41
38
39
40
42
51
62
73

Pressure (mb)

1013
1013
1013
1012
1012
1012
1011
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1011
1011

Ozone (du)

352
352
354
355
355
358
360
362
367
374
381
392
395
398
400
395
389
384
378
371
365
366
366
367

Wednesday 27

Waxing Gibbous 90%

18:09

03:19

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

Sun - Rise: 05:14, Set: 20:20, Transit: 12:47. Moon - Rise: 18:09, Set: 03:19. Civil Dark: 20:55 - 04:40. Nautical Dark: 21:38 - 03:56. Astro Dark: 22:30 - 03:03

Total Clouds (% Sky Obscured)

13
5
8
12
17
19
20
22
34
25
32
23
26
22
24
33
49
59
69
79
81
80
81
75

Low Clouds (% Sky Obscured)

13
5
8
12
17
19
20
22
34
25
32
23
26
22
24
23
5
3
7
8
9
13
23
24

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
14
22
41

High Clouds (% Sky Obscured)

13
0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
1
2
7
13
18
15

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 (%)

11
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
16
14
14
10
10
10
8
8
6
15
15
15
17
18
19
18
18
18
18
19
18

Dew Point (°C)

13
12
11
10
9
9
8
8
7
6
6
6
5
4
4
5
6
7
7
7
7
8
9
10

Relative Humidity (%)

78
83
89
90
90
93
91
90
90
77
68
60
52
44
39
40
41
42
43
43
43
50
58
66

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1011
1010
1010
1010
1010
1010

Ozone (du)

365
364
363
363
363
362
364
365
366
367
367
367
369
370
371
373
375
377
379
381
383
384
385
386

Thursday 28

Waxing Gibbous 95%

19:15

03:44

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

Sun - Rise: 05:14, Set: 20:21, Transit: 12:47. Moon - Rise: 19:15, Set: 03:44. Civil Dark: 20:56 - 04:39. Nautical Dark: 21:39 - 03:55. Astro Dark: 22:32 - 03:02

Total Clouds (% Sky Obscured)

73
66
68
67
85
77
60
58
45
31
17
25
31
30
48
72
100

Low Clouds (% Sky Obscured)

15
7
6
4
0
2
3
4
5
7
7
10
12
14
43
71
100

Medium Clouds (% Sky Obscured)

57
66
68
67
69
62
41
37
28
23
12
17
20
25
18
8
10

High Clouds (% Sky Obscured)

13
8
4
9
10
5
13
17
20
10
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

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
2
3
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
3
3
3
3
3
3
3
3
4
4
5
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
11
11
10
10
6
6
6
6
6
6
13
13
14
15
15

Dew Point (°C)

8
6
4
3
3
2
2
2
1
1
2
2
2
2
2
2
3

Relative Humidity (%)

66
63
63
63
64
67
65
65
66
59
52
47
42
38
35
35
36

Pressure (mb)

1010
1011
1011
1011
1011
1011
1010
1010
1009
1009
1009
1009
1008
1008
1008
1007
1007

Ozone (du)

386
386
387
386
385
385
387
389
391
395
400
404
408
412
416
417
419

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

Generated: 22/05/26 21:38:51. Forecast: 22/05/26 to 28/05/26. Timezone: UTC-4.00