Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 88%

15:58

03:57

04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
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

Sun - Rise: 05:55, Set: 19:46, Transit: 12:50. Moon - Rise: 15:58, Set: 03:57. Civil Dark: 20:16 - 05:25. Nautical Dark: 20:52 - 04:49. Astro Dark: 21:31 - 04:10

Total Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
5
17
8
16
7
2
2
2
2
0
0
0
0
6
4

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
4
13
6
11
7
2
2
2
2
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
0
0
0
0
0
0
0
0
0
0
0
0
6
4

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
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)

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

Chance of Frost

Temperature (°C)

4
4
4
5
10
13
15
16
17
18
19
19
18
17
16
14
11
11
10
9
9
8
8
7

Feels Like (°C)

4
3
3
4
10
12
13
15
16
17
18
18
17
16
14
13
11
11
10
10
10
9
8
8

Dew Point (°C)

1
0
1
1
4
4
3
3
3
3
4
4
4
4
4
4
4
4
3
4
4
3
3
4

Relative Humidity (%)

77
77
80
75
66
56
46
41
39
36
36
35
38
42
47
52
59
61
63
67
68
70
73
77

Pressure (mb)

1023
1023
1023
1024
1024
1025
1025
1025
1025
1024
1024
1024
1023
1024
1024
1025
1025
1026
1026
1025
1025
1024
1024
1024

Ozone (du)

383
381
383
384
384
384
384
384
377
375
374
369
365
362
358
355
354
354
353
353
353
351
350
349

Tuesday 28

Waxing Gibbous 94%

17:02

04:17

04 Good
05 Good
06 Good
07 Good
08 OK
09 OK
10 OK
11 Bad
12 Bad
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

Sun - Rise: 05:53, Set: 19:47, Transit: 12:50. Moon - Rise: 17:02, Set: 04:17. Civil Dark: 20:17 - 05:24. Nautical Dark: 20:53 - 04:47. Astro Dark: 21:32 - 04:08

Total Clouds (% Sky Obscured)

2
4
1
4
40
32
47
100
100
100
91
100
100
100
100
100
97
100
87
75
84
69
77
87

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
30
35
35
40

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
13
11
24
66
100
98
100
92
80
76
42
79
69
57
57

High Clouds (% Sky Obscured)

1
4
1
3
31
32
47
100
100
100
71
100
100
100
100
100
90
100
60
55
2
40
18
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
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
5
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
6
8
10
11
13
14
13
13
14
14
14
13
13
11
10
8
8
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

78
79
81
74
63
52
45
42
41
39
37
36
37
38
47
53
58
64
65
67
67
64
63
67

Pressure (mb)

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

Ozone (du)

346
346
346
345
342
341
339
339
339
338
339
338
338
338
338
339
338
338
343
351
356
357
355
358

Wednesday 29

Waxing Gibbous 98%

18:06

04:37

04 Bad
05 OK
06 Bad
07 Bad
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
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

Sun - Rise: 05:52, Set: 19:48, Transit: 12:50. Moon - Rise: 18:06, Set: 04:37. Civil Dark: 20:18 - 05:22. Nautical Dark: 20:55 - 04:46. Astro Dark: 21:34 - 04:06

Total Clouds (% Sky Obscured)

77
39
59
49
43
100
100
100
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

29
2
16
27
26
18
1
1
1
0
26
56
85
85
81
82
81
95
100
99
80
80
86
92

Medium Clouds (% Sky Obscured)

39
36
31
17
10
9
2
55
55
46
60
47
89
90
95
100
94
97
100
100
100
100
99
99

High Clouds (% Sky Obscured)

0
1
5
10
10
100
100
100
94
100
100
100
100
100
100
100
100
100
100
100
100
71
83
89

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
3
4
4

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
3
7
25
40
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
2.2
2
1.3
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
4
3
3
3
4
3
2
3
3
2
2
2
1
2
3
3
5
7
7
7

Relative Humidity (%)

68
68
75
70
62
53
49
47
45
41
40
40
43
45
47
50
52
58
63
67
78
93
93
94

Pressure (mb)

1019
1018
1018
1018
1018
1018
1017
1017
1016
1015
1014
1013
1013
1012
1012
1012
1012
1012
1011
1010
1010
1010
1009
1008

Ozone (du)

357
351
352
351
350
353
353
354
354
356
355
355
355
353
355
359
367
367
370
372
373
373
377
376

Thursday 30

Waxing Gibbous 100%

19:10

04:59

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
21 OK
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good

Sun - Rise: 05:51, Set: 19:50, Transit: 12:50. Moon - Rise: 19:10, Set: 04:59. Civil Dark: 20:19 - 05:21. Nautical Dark: 20:56 - 04:44. Astro Dark: 21:36 - 04:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
94
91
89
89
89
87
86
81
74
28
0
0
0
0
1
2

Low Clouds (% Sky Obscured)

99
99
100
100
100
100
100
94
88
83
74
63
54
60
63
65
56
24
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

79
24
24
30
44
49
47
44
39
30
27
26
27
27
24
21
16
10
0
0
0
0
0
0

High Clouds (% Sky Obscured)

90
61
37
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)

5
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

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

Precipitation Probability (%)

95
95
95
95
84
70
47
42
37
25
24
24
26
27
18
2
6
5
0
0
0
0
0
0

Precipitation Amount (mm)

0.9
0.7
0.7
0.7
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
8
8
8
8
8
8
9
9
8
7
7
7
7
5
5
4
3
1
1
1

Relative Humidity (%)

95
96
96
95
96
95
95
93
93
91
93
93
90
90
88
87
88
84
85
85
83
82
80
82

Pressure (mb)

1008
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1007
1007
1007
1008
1008
1009
1009
1010
1010
1010
1010
1010

Ozone (du)

381
383
380
378
376
376
376
376
376
377
377
376
378
386
388
389
391
390
391
393
394
392
392
396

Friday 1

Full Moon 100%

20:15

05:23

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

Sun - Rise: 05:49, Set: 19:51, Transit: 12:50. Moon - Rise: 20:15, Set: 05:23. Civil Dark: 20:21 - 05:19. Nautical Dark: 20:57 - 04:43. Astro Dark: 21:37 - 04:03

Total Clouds (% Sky Obscured)

3
2
1
0
1
1
1
19
37
55
48
51
57
51
15
10
27
44
75
85
98
100
83
67

Low Clouds (% Sky Obscured)

2
1
1
0
1
1
0
16
31
47
34
23
9
6
2
0
0
0
0
0
0
0
5
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
10
19
29
24
19
14
14
12
9
27
44
75
75
56
45
46
51

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
4
6
8
8
8
18
31
36
53
79
95
65
35

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
1
1
14
24

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

Chance of Frost

Temperature (°C)

4
3
2
4
6
8
10
11
13
14
15
16
16
16
15
13
10
9
8
7
7
7
7
7

Feels Like (°C)

2
1
1
2
4
5
7
8
10
11
12
12
11
11
12
11
9
8
8
8
8
7
7
4

Dew Point (°C)

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

Relative Humidity (%)

82
82
82
77
67
56
47
40
33
29
28
27
27
31
35
40
50
53
56
58
59
58
59
62

Pressure (mb)

1011
1011
1011
1012
1012
1013
1013
1013
1012
1012
1011
1011
1011
1011
1012
1013
1013
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

400
400
402
400
399
398
397
395
395
396
398
399
399
398
397
396
395
395
395
394
392
389
386
383

Saturday 2

Waning Gibbous 98%

21:18

05:50

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:48, Set: 19:52, Transit: 12:50. Moon - Rise: 21:18, Set: 05:50. Civil Dark: 20:22 - 05:18. Nautical Dark: 20:59 - 04:41. Astro Dark: 21:39 - 03:59

Total Clouds (% Sky Obscured)

50
63
84
95
96
99
100
100
100
100
100
100
100
94
90
91
97
100
100
100
100
100
95
71

Low Clouds (% Sky Obscured)

14
9
5
0
0
0
0
20
41
61
64
68
71
69
68
66
78
89
100
100
100
100
89
71

Medium Clouds (% Sky Obscured)

50
63
84
95
90
82
74
56
38
20
47
74
100
83
71
59
55
58
55
20
0
0
0
0

High Clouds (% Sky Obscured)

5
6
25
49
55
65
60
59
29
5
5
5
5
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

32
44
45
36
43
43
34
38
37
32
36
40
42
47
49
51
62
72
81
95
95
95
95
94

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.6
0.8
1
0.8
0.7

Wind Speed/Direction (mph)

4
4
3
3
3
3
3
3
4
4
5
5
5
6
4
3
2
3
6
8
9
10
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
66
69
74
77
79
81
84
80
76
72
74
74
76
81
88
94
87
78
71
65
58
52
52

Pressure (mb)

1015
1015
1015
1015
1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1009

Ozone (du)

380
377
374
372
370
367
364
361
361
362
362
363
365
367
368
369
370
379
387
395
399
403
407
405

Sunday 3

Waning Gibbous 94%

22:20

06:24

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

Sun - Rise: 05:47, Set: 19:53, Transit: 12:50. Moon - Rise: 22:20, Set: 06:24. Civil Dark: 20:23 - 05:17. Nautical Dark: 21:00 - 04:40. Astro Dark: 21:40 - 03:57

Total Clouds (% Sky Obscured)

17
2
1
0
0
1
1
13
26
39
59
77
95
68
46
40
36
26
12
33
57
84

Low Clouds (% Sky Obscured)

17
2
1
0
0
1
1
13
25
37
58
77
95
66
34
2
2
1
2
2
3
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
3
8
4
7
10
14
20
12
20
17
14

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

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 (%)

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

Precipitation Probability (%)

78
65
47
15
12
8
0
5
6
7
5
3
1
2
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0.3
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
10
10
10
10
11
11
10
10
10
10
11
11
9
7
5
4
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
-0
1
0
1
3
4
4
5
5
6
11
11
10
10
9
10
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

54
56
54
52
49
45
41
38
34
31
28
31
33
36
42
49
57
59
61
63
61
59

Pressure (mb)

1009
1009
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011

Ozone (du)

402
400
399
398
398
400
401
403
402
401
399
399
398
398
398
399
399
399
399
399
396
394

Forecast for Westport, Fairfield, United States of America (41.13,-73.36)

Generated: 27/04/26 04:52:48. Forecast: 27/04/26 to 03/05/26. Timezone: UTC-4.00