Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 2

Waxing Gibbous 100%

15:21

07:56

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

Sun - Rise: 07:22, Set: 16:27, Transit: 11:55. Moon - Rise: 15:21, Set: 07:56. Civil Dark: 16:59 - 06:50. Nautical Dark: 17:35 - 06:14. Astro Dark: 18:09 - 05:40

Total Clouds (% Sky Obscured)

91
97
91
94
37
58
65
19
2
10
22
15
11
13
20
22
17
23
26
29
30
46
52
94

Low Clouds (% Sky Obscured)

75
76
80
41
36
55
59
19
1
10
22
14
11
13
20
22
17
23
26
29
30
41
48
58

Medium Clouds (% Sky Obscured)

0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
78

High Clouds (% Sky Obscured)

0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
65

ISS Passover

Visibility (miles)

6
6
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
1
1
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
4
2
1
2
4
0
0
0
1
1
2
1
2
1
0
1
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
8
7
6
4
4
5
7
9
8
9
9
9
10
10
9
9
9
9
9
10
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-12
-12
-13
-12
-12
-14
-14
-14
-15
-14
-15
-15
-15
-15
-16
-16
-17
-17
-15
-13
-12
-11
-11

Dew Point (°C)

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

Relative Humidity (%)

60
68
72
74
80
83
77
69
68
68
68
66
65
65
66
67
66
66
64
62
59
59
59
61

Pressure (mb)

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

Ozone (du)

340
347
349
358
367
377
400
408
394
394
362
347
346
338
335
333
337
338
340
343
343
341
342
340

Saturday 3

Full Moon 99%

16:39

08:40

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 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:22, Set: 16:28, Transit: 11:55. Moon - Rise: 16:39, Set: 08:40. Civil Dark: 17:00 - 06:50. Nautical Dark: 17:36 - 06:14. Astro Dark: 18:10 - 05:40

Total Clouds (% Sky Obscured)

94
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
91
55
33
54
68
83
79
84

Low Clouds (% Sky Obscured)

62
62
54
33
22
35
45
48
76
83
79
79
83
90
71
79
37
23
21
34
66
83
79
84

Medium Clouds (% Sky Obscured)

83
99
100
100
100
100
100
100
100
100
100
99
100
100
100
100
87
30
7
7
2
6
0
0

High Clouds (% Sky Obscured)

86
98
100
100
100
100
100
30
41
2
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
7
9
9
9
9
8
9

Fog (%)

0
0
0
0
0
1
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 (%)

2
1
2
2
2
2
1
2
7
11
17
16
17
18
18
25
15
9
5
4
3
3
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-11
-11
-10
-10
-10
-10
-10
-10
-11
-11
-11
-11
-11
-11
-10
-11
-11
-11
-11
-10
-9
-10
-11

Relative Humidity (%)

62
65
71
80
85
87
83
85
85
83
83
82
83
83
83
88
90
92
90
82
74
69
60
57

Pressure (mb)

1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1013
1013
1014
1014
1014
1014
1014
1014
1013
1012

Ozone (du)

341
341
340
338
341
342
342
343
344
335
333
339
341
340
344
348
353
356
358
365
366
363
360
359

Sunday 4

Waning Gibbous 95%

18:00

09:13

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

Sun - Rise: 07:22, Set: 16:29, Transit: 11:56. Moon - Rise: 18:00, Set: 09:13. Civil Dark: 17:01 - 06:50. Nautical Dark: 17:36 - 06:14. Astro Dark: 18:11 - 05:40

Total Clouds (% Sky Obscured)

85
90
98
29
20
26
58
71
74
43
18
4
4
8
37
49
55
12
69
77
77
85
89
90

Low Clouds (% Sky Obscured)

85
90
97
24
15
23
48
68
74
43
18
3
3
4
5
3
4
3
3
4
4
4
70
70

Medium Clouds (% Sky Obscured)

0
0
17
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
31
51
59
71
75
85

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
37
45
49
6
44
48
53
66
73
75

ISS Passover

Visibility (miles)

9
9
4
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
2
2
2
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 (%)

16
22
24
20
6
4
4
5
2
2
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

-3
-4
-5
-7
-8
-9
-11
-11
-12
-14
-14
-15
-16
-16
-16
-17
-17
-17
-16
-15
-14
-13
-11
-10

Feels Like (°C)

-9
-8
-10
-12
-12
-13
-14
-15
-17
-18
-19
-18
-19
-19
-19
-20
-20
-21
-18
-19
-18
-17
-16
-14

Dew Point (°C)

-9
-10
-9
-10
-12
-13
-14
-15
-16
-17
-18
-19
-19
-20
-20
-20
-20
-21
-20
-20
-20
-19
-19
-17

Relative Humidity (%)

63
64
76
74
74
75
75
76
73
73
72
72
72
72
74
74
74
73
70
64
60
57
54
54

Pressure (mb)

1013
1013
1014
1015
1016
1017
1018
1018
1019
1020
1020
1021
1022
1023
1023
1024
1025
1025
1026
1026
1026
1025
1024
1023

Ozone (du)

354
351
349
352
356
359
361
363
359
356
351
344
338
336
335
334
332
328
328
330
329
331
332
333

Monday 5

Waning Gibbous 89%

19:18

09:39

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
12 Bad
13 Bad

Sun - Rise: 07:22, Set: 16:30, Transit: 11:56. Moon - Rise: 19:18, Set: 09:39. Civil Dark: 17:02 - 06:50. Nautical Dark: 17:37 - 06:14. Astro Dark: 18:12 - 05:40

Total Clouds (% Sky Obscured)

94
97
98
98
99
93
83
64
82
83
84
89
92
93
96
92
92
83
73
64
77
89
100
100

Low Clouds (% Sky Obscured)

80
80
81
86
87
86
73
27
38
37
22
39
45
42
55
51
53
57
64
62
54
38
20
34

Medium Clouds (% Sky Obscured)

94
97
98
98
99
89
66
34
41
45
52
54
56
65
78
85
84
73
58
43
29
15
0
32

High Clouds (% Sky Obscured)

77
76
52
37
15
0
0
1
35
65
84
89
88
84
59
29
0
3
6
9
39
70
100
100

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
8
8
7
7
5
5
3
6
2
3
2
3
2
6
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 (%)

7
6
4
4
4
4
5
4
5
4
2
4
4
6
6
3
4
4
9
17
7
5
5
4

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-17
-16
-16
-15
-15
-14
-13
-13
-12
-13
-13
-12
-12
-12
-12
-12
-11
-11
-10
-10
-9
-8
-7
-6

Relative Humidity (%)

55
56
59
64
66
69
80
85
88
88
88
88
90
90
90
88
92
92
88
83
80
79
81
79

Pressure (mb)

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

Ozone (du)

336
338
337
337
341
346
348
349
350
351
350
348
349
351
351
355
357
358
356
352
349
347
345
345

Tuesday 6

Waning Gibbous 81%

20:33

10:01

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
12 Bad
13 Bad

Sun - Rise: 07:21, Set: 16:31, Transit: 11:57. Moon - Rise: 20:33, Set: 10:01. Civil Dark: 17:03 - 06:50. Nautical Dark: 17:38 - 06:14. Astro Dark: 18:13 - 05:40

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

39
47
55
61
73
79
86
93
95
98
100
94
94
94
93
92
91
91
91
91
88
86
83
65

Medium Clouds (% Sky Obscured)

60
90
86
98
100
100
100
100
100
100
100
84
71
66
71
87
89
89
90
95
94
94
93
70

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
88
77
65
65
65
90
94
96
96
82
83
96
86

ISS Passover

Visibility (miles)

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

None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Frozen rai
Frozen rai
None
None
None
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Very Light Rain

Precipitation Probability (%)

4
3
9
10
15
32
41
42
42
57
73
85
83
71
59
49
34
51
60
61
68
72
69
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.5
0.3
0.2
0
0
0
0.2
0.2
0.4
0.4
0.4
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-5
-5
-6
-5
-5
-5
-5
-4
-4
-4
-4
-5
-5
-5
-5
-6
-4
-5
-4
-3
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

82
84
92
96
98
98
98
98
98
98
100
98
98
98
100
98
100
98
98
100
100
98
100
98

Pressure (mb)

1018
1018
1017
1017
1017
1017
1016
1016
1015
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1013
1012
1011
1011

Ozone (du)

347
350
351
352
354
355
354
352
353
353
352
352
351
350
349
350
351
352
352
352
353
359
366
372

Wednesday 7

Waning Gibbous 72%

21:43

10:20

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
12 Bad
13 Bad

Sun - Rise: 07:21, Set: 16:32, Transit: 11:57. Moon - Rise: 21:43, Set: 10:20. Civil Dark: 17:04 - 06:49. Nautical Dark: 17:39 - 06:14. Astro Dark: 18:14 - 05:39

Total Clouds (% Sky Obscured)

97
96
95
94
94
94
94
95
88
80
75
80
95
95
90
90
89
74
69
64
65
75
80
85

Low Clouds (% Sky Obscured)

48
31
21
10
10
12
14
25
33
36
45
45
50
65
70
70
59
42
39
36
38
41
30
29

Medium Clouds (% Sky Obscured)

42
13
9
5
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
11
20
30
50

High Clouds (% Sky Obscured)

77
63
48
32
25
37
19
17
11
11
0
0
0
0
0
0
0
8
10
5
5
15
20
20

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
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

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 (%)

39
20
17
14
9
8
7
2
4
5
0
2
2
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
4
4
3
3
3
2
3
3
3
3
3
3
3
2
2
2
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
98
100
100
100
100
100
98
98
98
98
98
98
94
92
92
91
89
88

Pressure (mb)

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

Ozone (du)

367
363
359
358
358
358
360
363
366
362
359
355
355
354
353
352
352
351
351
351
351
349
347
345

Thursday 8

Waning Gibbous 62%

22:49

10:38

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

Sun - Rise: 07:21, Set: 16:33, Transit: 11:57. Moon - Rise: 22:49, Set: 10:38. Civil Dark: 17:05 - 06:49. Nautical Dark: 17:40 - 06:14. Astro Dark: 18:14 - 05:39

Total Clouds (% Sky Obscured)

90
90
95
95
90
90
90
85
86
92
96
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

30
28
36
41
49
51
53
59
66
73
81
85
89
94
94
94
92

Medium Clouds (% Sky Obscured)

70
90
95
95
90
90
90
85
86
92
96
97
100
100
84
67
51

High Clouds (% Sky Obscured)

25
25
25
15
10
0
0
0
15
30
70
78
57
35
36
36
37

ISS Passover

Visibility (miles)

8
6
5
6
8
9
9
9
9
7
5
3
3
3
3
3
3

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
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
7
14
36
49
59
66
61
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0

Wind Speed/Direction (mph)

2
2
2
2
1
1
1
1
1
1
1
2
2
2
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

Relative Humidity (%)

91
94
98
98
100
100
98
100
98
100
100
98
100
98
100
100
100

Pressure (mb)

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

Ozone (du)

344
343
341
339
336
333
330
328
325
321
318
314
308
302
296
294
292

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

Generated: 02/01/26 14:56:44. Forecast: 02/01/26 to 08/01/26. Timezone: UTC-5.00