Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 1

Full Moon 100%

20:18

05:40

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

Sun - Rise: 05:40, Set: 19:52, Transit: 12:47. Moon - Rise: 20:18, Set: 05:40. Civil Dark: 20:23 - 05:09. Nautical Dark: 21:02 - 04:30. Astro Dark: 21:45 - 03:47

Total Clouds (% Sky Obscured)

37
52
46
93
93
79
52
58
85
84
99
100
100
100
100
100
98
100
95
93
91
94
92
99

Low Clouds (% Sky Obscured)

20
11
36
30
25
18
13
6
25
25
55
79
96
72
100
100
81
89
65
77
81
84
86
99

Medium Clouds (% Sky Obscured)

37
45
46
66
63
58
34
53
77
81
97
98
100
100
100
95
95
98
63
53
52
62
61
68

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
3
28
55
45
1
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
6
6
9
6
9
6
6
2
7
6
9
8

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
10
35
73
76
90
95
95
57
52
38
32
54
53
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.3
0.4
0.8
0.6
0
0.2
0
0
0.3
0
0

Wind Speed/Direction (mph)

10
10
10
9
8
8
8
7
4
3
1
2
3
2
2
1
1
2
2
3
3
3
3
3

Chance of Frost

Temperature (°C)

11
12
12
14
14
14
14
12
9
9
8
7
7
6
6
6
6
6
6
6
7
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
40
34
34
31
32
42
52
63
68
68
71
75
94
96
96
98
98
98
98
96
94
91
90

Pressure (mb)

1011
1010
1009
1009
1009
1009
1009
1010
1011
1011
1011
1011
1012
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012

Ozone (du)

399
400
398
395
395
393
391
391
389
388
388
390
389
393
398
402
406
411
411
411
401
396
393
392

Saturday 2

Waning Gibbous 98%

21:23

06:12

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

Sun - Rise: 05:39, Set: 19:53, Transit: 12:47. Moon - Rise: 21:23, Set: 06:12. Civil Dark: 20:25 - 05:08. Nautical Dark: 21:03 - 04:29. Astro Dark: 21:46 - 03:45

Total Clouds (% Sky Obscured)

98
94
100
100
100
100
100
100
100
100
100
100
100
100
100
98
88
84
91
86
75
71
74
80

Low Clouds (% Sky Obscured)

96
73
65
60
74
73
57
42
11
54
69
70
75
79
85
93
86
82
90
85
75
52
74
80

Medium Clouds (% Sky Obscured)

56
68
65
40
58
59
10
22
52
65
66
100
100
100
100
19
3
9
27
17
5
25
0
4

High Clouds (% Sky Obscured)

4
5
100
100
100
100
100
100
100
100
100
100
100
100
100
88
11
2
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
9
9
9
7
9
9
9
9
9
9
9
9
9
9
5
5
5
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 (%)

33
19
10
20
11
9
24
6
2
2
2
1
4
5
5
7
11
1
1
1
4
14
15
7

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)

5
6
5
5
3
2
4
4
3
3
3
3
3
4
4
4
5
4
4
6
9
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
8
10
11
11
10
9
7
6
5
3
3
2
2
2
2
2
2
2
3
4
5
5

Dew Point (°C)

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

Relative Humidity (%)

82
80
72
62
54
55
60
72
78
81
84
83
85
88
91
91
94
96
93
86
75
62
56
53

Pressure (mb)

1012
1012
1011
1011
1010
1010
1010
1010
1010
1011
1011
1011
1011
1010
1010
1009
1009
1009
1010
1010
1010
1009
1009
1008

Ozone (du)

388
384
377
369
367
367
371
372
373
373
376
375
376
381
387
390
392
397
402
406
407
404
403
405

Sunday 3

Waning Gibbous 94%

22:26

06:51

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

Sun - Rise: 05:38, Set: 19:54, Transit: 12:47. Moon - Rise: 22:26, Set: 06:51. Civil Dark: 20:26 - 05:06. Nautical Dark: 21:05 - 04:27. Astro Dark: 21:48 - 03:43

Total Clouds (% Sky Obscured)

93
98
88
66
71
74
50
38
26
40
32
7
50
88
73
58
72
57
33
38
53
88
92
90

Low Clouds (% Sky Obscured)

93
89
84
66
66
62
15
8
16
4
11
5
31
81
62
32
26
23
22
22
9
61
71
59

Medium Clouds (% Sky Obscured)

14
48
27
28
34
43
49
38
4
40
32
2
27
42
51
58
62
37
33
14
24
33
30
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
0
0
4
0
0
0
3
27
7
12
29
63
29
42

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 (%)

15
14
21
24
23
17
2
0
0
0
0
1
18
19
9
21
39
36
9
4
5
3
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)

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

Chance of Frost

Temperature (°C)

10
11
11
12
12
11
11
10
7
6
4
3
3
3
4
4
4
4
4
7
9
11
12
15

Feels Like (°C)

5
6
6
7
7
7
7
7
6
5
3
3
2
1
1
2
3
2
3
5
6
7
9
11

Dew Point (°C)

-0
-1
1
0
2
2
2
1
2
1
0
-1
-1
0
1
2
2
3
3
3
2
2
6
7

Relative Humidity (%)

48
45
50
45
50
53
53
55
66
71
75
76
77
83
82
83
85
89
89
78
62
56
65
58

Pressure (mb)

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

Ozone (du)

403
401
403
405
406
409
407
402
402
403
403
407
405
399
398
394
397
396
397
397
397
397
396
396

Monday 4

Waning Gibbous 89%

23:24

07:38

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
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

Sun - Rise: 05:36, Set: 19:56, Transit: 12:47. Moon - Rise: 23:24, Set: 07:38. Civil Dark: 20:27 - 05:05. Nautical Dark: 21:06 - 04:25. Astro Dark: 21:50 - 03:41

Total Clouds (% Sky Obscured)

91
91
68
85
50
40
80
77
82
87
95
94
82
100
82
100
100
89
77
64
76
88
100
84

Low Clouds (% Sky Obscured)

62
48
48
80
36
19
80
8
11
3
5
3
29
80
12
70
65
65
65
48
17
23
42
48

Medium Clouds (% Sky Obscured)

23
23
18
10
11
13
52
77
26
32
40
27
12
3
11
21
54
31
26
10
30
55
79
61

High Clouds (% Sky Obscured)

55
60
1
0
4
5
28
14
41
69
95
94
82
95
82
98
100
86
72
58
72
86
100
68

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
9
4
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
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

1
0
0
2
1
1
0
0
0
0
0
0
0
0
0
6
46
36
50
36
8
12
30
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
17
17
17
17
18
17
16
14
13
11
11
10
10
10
10
10
11
12
12
13
15
18
20

Feels Like (°C)

12
13
13
14
14
16
16
14
13
11
9
9
8
9
8
9
8
9
10
10
12
13
16
17

Dew Point (°C)

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

Relative Humidity (%)

55
54
53
56
62
56
58
67
82
89
95
96
96
98
93
98
90
85
81
83
89
86
72
67

Pressure (mb)

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

Ozone (du)

398
400
403
397
394
391
388
388
386
385
385
384
381
383
383
384
385
388
387
384
387
386
383
383

Tuesday 5

Waning Gibbous 82%

00:14

08:34

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

Sun - Rise: 05:35, Set: 19:57, Transit: 12:47. Moon - Rise: 00:14, Set: 08:34. Civil Dark: 20:28 - 05:03. Nautical Dark: 21:08 - 04:24. Astro Dark: 21:52 - 03:39

Total Clouds (% Sky Obscured)

69
54
69
86
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
40
18
27
15
12
28
26
32
28
24
22
15
9
52
76
100
90
80
70
74
79
83
80

Medium Clouds (% Sky Obscured)

42
24
38
55
70
60
35
43
56
36
24
65
41
57
78
83
84
84
89
97
98
99
100
100

High Clouds (% Sky Obscured)

36
4
36
65
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
8
4
6
8
8
5
9
9
9
8
9
9
8
9
9
9
9
8
7
6
5
4
3

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

Precipitation Probability (%)

41
62
63
60
59
55
51
25
21
32
43
33
17
6
48
51
53
54
59
64
95
95
95
95

Precipitation Amount (mm)

0
0.3
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
1
1.6
1.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
22
22
21
20
20
18
17
17
15
15
14
14
14
11
11
11
11
11
12
12
12
13

Feels Like (°C)

19
20
19
20
21
20
19
18
17
16
15
14
14
12
12
9
9
9
9
9
9
10
10
10

Dew Point (°C)

15
14
18
18
20
19
18
18
16
17
15
14
14
14
13
10
10
10
10
11
11
11
12
12

Relative Humidity (%)

69
60
79
75
89
93
89
95
96
98
98
98
98
96
96
95
95
95
95
95
93
95
96
96

Pressure (mb)

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

Ozone (du)

383
381
381
382
381
382
381
379
380
381
381
379
379
380
379
378
377
377
377
378
379
379
378
378

Wednesday 6

Waning Gibbous 74%

00:55

09:35

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

Sun - Rise: 05:34, Set: 19:58, Transit: 12:46. Moon - Rise: 00:55, Set: 09:35. Civil Dark: 20:30 - 05:02. Nautical Dark: 21:09 - 04:22. Astro Dark: 21:54 - 03:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
86
71
54
57
60
63
62
62
59
57
49
49
67
83
98
93
89
85
89

Low Clouds (% Sky Obscured)

78
75
68
62
57
65
71
54
57
60
63
60
57
49
51
48
35
30
30
40
56
56
57
42

Medium Clouds (% Sky Obscured)

100
100
100
100
100
74
47
21
14
7
0
0
1
1
8
14
21
37
53
68
69
70
71
79

High Clouds (% Sky Obscured)

100
100
77
50
30
53
60
54
57
60
63
62
62
58
57
49
49
67
83
88
85
89
85
89

ISS Passover

Visibility (miles)

3
2
2
5
7
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
Light Rain
Light Rain
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
85
54
58
49
16
33
36
32
64
82
95
95
95
95
95
95
81
92

Precipitation Amount (mm)

1.8
1.6
1.7
1.6
1
0.7
0.4
0
0
0
0
0
0
0
0.2
0.4
0.5
0.8
0.8
0.7
0.7
0.6
0.4
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
11
14
14
15
15
15
15
12
12
11
11
10
10
8
8
7
6
6
4
8
8
8

Dew Point (°C)

13
13
14
14
13
12
11
11
11
11
11
10
10
9
9
8
8
7
7
7
7
5
4
3

Relative Humidity (%)

96
96
98
96
95
93
93
93
93
95
96
96
96
96
95
95
95
95
90
85
81
67
57
48

Pressure (mb)

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

Ozone (du)

379
380
380
385
390
395
395
395
395
395
395
395
398
400
403
404
405
406
406
406
407
404
401
398

Thursday 7

Waning Gibbous 64%

01:29

10:41

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:33, Set: 19:59, Transit: 12:46. Moon - Rise: 01:29, Set: 10:41. Civil Dark: 20:31 - 05:01. Nautical Dark: 21:11 - 04:21. Astro Dark: 21:55 - 03:36

Total Clouds (% Sky Obscured)

93
98
99
99
100
100
100
100
100
100
100
99
99
99
98
100
100
100
99
99

Low Clouds (% Sky Obscured)

20
16
43
69
97
97
95
95
92
90
92
93
95
97
94
92
90
90
90
87

Medium Clouds (% Sky Obscured)

89
97
97
97
97
98
99
100
100
100
100
99
99
99
98
100
100
98
96
94

High Clouds (% Sky Obscured)

90
88
89
87
87
86
84
79
84
92
100
79
59
24
9
10
12
8
4
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
5
3
3
4
4
5
5
6
5
4
3
5
7

Fog (%)

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

Precipitation Probability (%)

95
94
95
95
95
95
95
95
95
95
95
94
77
72
74
72
69
58
40
9

Precipitation Amount (mm)

0.6
0.4
0.7
0.7
0.4
0.9
1.2
1.6
1.7
1.5
0.9
0.6
0.4
0.3
0.4
0.3
0.3
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
17
16
16
15
13
11
9
9
8
8
7
7
6
6
5
5
5
6

Feels Like (°C)

9
10
10
15
15
14
14
14
14
7
7
7
7
7
6
3
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

44
42
39
42
45
50
61
77
95
96
96
96
96
96
96
96
96
98
96
94

Pressure (mb)

1006
1005
1004
1003
1002
1001
1001
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

398
398
398
399
399
399
401
403
405
407
409
410
414
418
422
427
433
439
437
436

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

Generated: 01/05/26 12:25:50. Forecast: 01/05/26 to 07/05/26. Timezone: UTC-4.00