Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 9

Third Quarter 41%

02:00

10:41

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
21 Bad

Sun - Rise: 06:53, Set: 17:15, Transit: 12:04. Moon - Rise: 02:00, Set: 10:41. Civil Dark: 17:44 - 06:24. Nautical Dark: 18:18 - 05:50. Astro Dark: 18:51 - 05:17

Total Clouds (% Sky Obscured)

100
100
100
95
89
86
62
99
100
100
82
68
72
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
15
20
30
23
18
14
3
6
2
1
1
2
3
42
22
90
100
100
100
97
89
100

Medium Clouds (% Sky Obscured)

100
100
96
95
86
85
59
51
71
81
78
63
51
96
100
100
100
100
100
100
100
100
100
79

High Clouds (% Sky Obscured)

60
62
67
65
70
3
32
73
100
65
65
38
63
100
100
100
100
100
100
100
100
100
97
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
1
0
0
0
0
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
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
5
1
1
0
0
0
0
0
0
0
0
0
0
0
26
88
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
0.6
1.3
1.1
1.5
1.8
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-13
-12
-12
-10
-10
-10
-10
-11
-12
-14
-13
-10
-6
-4
-3
-2
-2
-2
-2
-4
-5
-5
-5
-5

Feels Like (°C)

-17
-16
-16
-14
-14
-14
-14
-15
-16
-18
-17
-13
-9
-7
-6
-5
-5
-5
-5
-7
-8
-9
-9
-9

Dew Point (°C)

-14
-14
-14
-12
-13
-12
-13
-13
-14
-16
-16
-14
-11
-9
-8
-6
-5
-5
-4
-4
-5
-6
-6
-6

Relative Humidity (%)

86
86
86
85
81
83
83
85
88
86
79
72
70
69
69
72
77
79
89
96
96
94
96
96

Pressure (mb)

1022
1022
1022
1022
1021
1021
1021
1022
1022
1022
1022
1021
1021
1020
1018
1017
1016
1015
1014
1013
1013
1011
1010
1009

Ozone (du)

381
381
381
382
383
384
388
391
391
387
385
378
370
365
360
354
353
353
352
352
353
350
348
349

Tuesday 10

Waning Crescent 32%

03:02

11:21

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
21 Bad

Sun - Rise: 06:52, Set: 17:16, Transit: 12:04. Moon - Rise: 03:02, Set: 11:21. Civil Dark: 17:46 - 06:23. Nautical Dark: 18:19 - 05:49. Astro Dark: 18:52 - 05:16

Total Clouds (% Sky Obscured)

100
99
100
100
100
97
91
70
80
57
53
67
77
53
72
96
91
85
91
93
87
81
98
85

Low Clouds (% Sky Obscured)

100
97
100
100
100
95
91
63
72
47
42
55
68
34
59
92
80
59
46
24
22
57
94
80

Medium Clouds (% Sky Obscured)

79
28
6
0
0
0
0
14
25
25
18
12
19
31
24
27
35
57
89
91
75
47
92
19

High Clouds (% Sky Obscured)

3
2
0
4
6
0
0
0
0
0
0
0
0
0
0
0
0
2
2
18
4
21
9
1

ISS Passover

Visibility (miles)

0
0
0
0
0
0
1
6
6
7
9
9
9
9
9
9
9
9
9
9
9
8
3
1

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

Snow
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 (%)

64
40
31
35
30
22
19
16
8
6
4
17
9
21
13
21
21
13
16
15
19
23
27
22

Precipitation Amount (mm)

0.2
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
3
2
3
2
3
2
2
3
5
8
9
10
11
10
10
10
10
10
9
7
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
96
96
96
96
92
85
83
86
84
83
83
83
81
80
80
82
86
91
94

Pressure (mb)

1009
1007
1007
1006
1005
1005
1004
1004
1004
1004
1004
1004
1003
1003
1003
1002
1002
1003
1003
1004
1004
1005
1005
1006

Ozone (du)

350
355
362
368
372
372
373
376
383
391
398
401
401
399
397
398
397
393
392
390
391
391
395
395

Wednesday 11

Waning Crescent 23%

03:59

12:10

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

Sun - Rise: 06:50, Set: 17:18, Transit: 12:04. Moon - Rise: 03:59, Set: 12:10. Civil Dark: 17:47 - 06:21. Nautical Dark: 18:20 - 05:48. Astro Dark: 18:53 - 05:15

Total Clouds (% Sky Obscured)

75
71
38
28
34
32
49
47
61
60
51
43
52
80
74
73
79
33
33
30
20
33
43
45

Low Clouds (% Sky Obscured)

32
27
18
22
31
25
48
37
47
47
28
24
36
80
74
73
74
21
16
13
8
20
27
28

Medium Clouds (% Sky Obscured)

60
52
16
4
3
1
0
16
55
51
37
33
41
16
0
0
23
33
33
30
2
16
27
28

High Clouds (% Sky Obscured)

1
0
1
1
0
0
0
0
0
0
0
0
0
0
0
2
3
4
6
11
12
16
18
30

ISS Passover

Visibility (miles)

7
9
9
7
7
9
6
6
6
6
9
9
9
9
9
9
9
9
9
9
9
7
6
6

Fog (%)

1
0
1
1
1
1
0
1
0
1
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 (%)

8
6
4
4
4
3
4
4
5
4
4
2
1
2
1
2
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-8
-8
-9
-9
-10
-10
-10
-10
-10
-8
-8
-7
-7
-6
-5
-5
-5
-6
-7
-9
-9
-10
-11

Relative Humidity (%)

92
84
87
88
87
83
87
87
87
85
85
79
76
72
72
75
75
75
78
78
84
88
88
88

Pressure (mb)

1006
1006
1007
1007
1008
1008
1009
1009
1010
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1014
1015
1016
1017
1017

Ozone (du)

396
400
397
397
392
392
392
394
399
403
405
408
409
407
405
404
403
404
407
406
417
422
423
422

Thursday 12

Waning Crescent 15%

04:48

13:08

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

Sun - Rise: 06:49, Set: 17:19, Transit: 12:04. Moon - Rise: 04:48, Set: 13:08. Civil Dark: 17:48 - 06:20. Nautical Dark: 18:22 - 05:46. Astro Dark: 18:55 - 05:13

Total Clouds (% Sky Obscured)

43
58
72
78
91
100
94
84
58
48
33
26
19
37
25
9
8
25
25
32
46
69
84
100

Low Clouds (% Sky Obscured)

25
24
26
23
30
30
30
32
34
36
10
4
4
3
1
1
2
3
3
7
5
19
35
28

Medium Clouds (% Sky Obscured)

29
32
50
62
74
100
94
84
52
25
23
19
13
37
25
9
8
25
24
31
45
66
83
100

High Clouds (% Sky Obscured)

23
29
35
32
46
43
23
6
4
2
1
0
0
0
0
0
2
6
4
7
10
7
3
0

ISS Passover

Visibility (miles)

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

Chance of Frost

Temperature (°C)

-10
-11
-10
-11
-11
-11
-11
-12
-12
-13
-10
-7
-5
-3
-2
-1
-1
-1
-2
-4
-6
-8
-9
-9

Feels Like (°C)

-13
-13
-13
-14
-14
-14
-15
-15
-16
-16
-13
-9
-7
-5
-6
-4
-4
-4
-6
-7
-8
-10
-13
-13

Dew Point (°C)

-12
-12
-12
-12
-12
-12
-13
-13
-14
-15
-12
-10
-8
-8
-8
-6
-7
-6
-5
-6
-8
-9
-10
-10

Relative Humidity (%)

86
86
86
88
88
86
88
88
88
86
87
82
76
71
65
66
65
67
75
89
90
90
90
90

Pressure (mb)

1017
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1019
1019
1019
1018
1017
1017
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

425
427
429
432
428
438
445
455
452
447
449
451
453
451
440
440
445
445
451
455
453
449
450
454

Friday 13

Waning Crescent 9%

05:30

14:14

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

Sun - Rise: 06:48, Set: 17:20, Transit: 12:04. Moon - Rise: 05:30, Set: 14:14. Civil Dark: 17:49 - 06:19. Nautical Dark: 18:23 - 05:45. Astro Dark: 18:56 - 05:12

Total Clouds (% Sky Obscured)

98
99
97
96
94
92
65
40
21
22
20
22
40
24
31
33
51
66
64
62
53
45
30
28

Low Clouds (% Sky Obscured)

15
10
4
13
20
4
4
5
4
11
16
22
34
24
31
25
45
66
63
59
53
45
30
28

Medium Clouds (% Sky Obscured)

98
98
97
95
93
91
64
30
13
8
4
0
0
0
0
21
37
41
22
6
6
4
2
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
0
0

ISS Passover

Visibility (miles)

3
4
7
4
1
9
6
6
6
6
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
4
7
23
21
6
6
5
4
6
6
3
21
11
13
11
5
2
3
5
1
2
2
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
3
3
3
3
3
3
3
2
2
3
5
7
8
8
9
11
10
10
8
6
5
4
4

Chance of Frost

Temperature (°C)

-10
-10
-11
-10
-10
-9
-9
-10
-10
-10
-7
-3
-2
-0
0
0
0
-1
-2
-3
-4
-5
-6
-6

Feels Like (°C)

-13
-14
-14
-14
-14
-13
-13
-13
-12
-12
-8
-6
-5
-5
-4
-4
-3
-3
-4
-3
-1
-2
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

92
90
90
88
90
90
92
92
90
90
85
78
79
80
77
71
69
67
63
71
79
87
89
89

Pressure (mb)

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

Ozone (du)

454
457
459
463
472
456
450
448
442
441
437
433
435
435
435
435
433
431
429
425
422
419
413
407

Saturday 14

Waning Crescent 4%

06:03

15:23

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

Sun - Rise: 06:46, Set: 17:22, Transit: 12:04. Moon - Rise: 06:03, Set: 15:23. Civil Dark: 17:51 - 06:17. Nautical Dark: 18:24 - 05:44. Astro Dark: 18:57 - 05:11

Total Clouds (% Sky Obscured)

30
33
36
43
48
52
45
43
42
41
40
39
54
67
77
85
93
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

30
33
36
43
45
36
24
12
2
2
2
3
3
3
2
2
2
3
4
5
4
26
49
72

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
3
5
6
4
2
0
0
0
0
0
0
0
0
0
0
24
48
72

High Clouds (% Sky Obscured)

0
0
0
23
48
52
39
18
7
12
15
18
33
36
62
59
70
87
91
96
100
100
100
100

ISS Passover

Visibility (miles)

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

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
1
2
1
1
0
2
2
2
5
4
2
3
1
0
0
0
0
0
0
0
5
13
25

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-7
-7
-7
-9
-10
-10
-10
-10
-10
-10
-10
-8
-8
-6
-6
1
-1
-1
-1
-0
0
-6
-6

Dew Point (°C)

-7
-8
-8
-8
-9
-10
-10
-10
-11
-11
-8
-6
-4
-3
-2
-1
-1
-2
-1
-2
-3
-3
-3
-4

Relative Humidity (%)

89
89
89
89
90
88
88
88
88
90
84
79
77
76
73
71
74
76
80
84
89
94
96
96

Pressure (mb)

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

Ozone (du)

401
398
394
390
389
387
386
385
385
385
384
383
382
385
387
389
390
392
393
392
391
390
390
390

Sunday 15

Waning Crescent 1%

06:31

16:34

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

Sun - Rise: 06:45, Set: 17:23, Transit: 12:04. Moon - Rise: 06:31, Set: 16:34. Civil Dark: 17:52 - 06:16. Nautical Dark: 18:25 - 05:42. Astro Dark: 18:58 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
99
98
96
94
91
94
96
99
98
97
97

Low Clouds (% Sky Obscured)

75
80
96
97
99
100
100
100
100
99
98
96
94
91
88
92
95
99
97
94
90

Medium Clouds (% Sky Obscured)

82
92
100
100
100
100
99
97
96
64
33
2
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
92
90
90
91
83
74
72
67
35
5
3
2
3
4
6

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

Snow
Snow
Snow
Snow
Snow
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
Light Rain
Light Rain

Precipitation Probability (%)

77
95
95
95
95
95
95
95
95
95
95
95
95
95
94
95
95
95
95
95
89

Precipitation Amount (mm)

0.4
0.9
0.9
1
0.9
0.7
1
0.9
1.2
1.6
1.3
1.3
1
0.8
0.6
0.6
0.9
0.6
0.6
1
0.4

Wind Speed/Direction (mph)

3
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
3
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
94
94
94
94
94
94
96
92
92
91
91
91
91
94
96
98
98
96

Pressure (mb)

1021
1020
1019
1019
1018
1017
1015
1015
1014
1013
1012
1011
1010
1009
1008
1008
1008
1008
1008
1009
1010

Ozone (du)

391
392
394
395
396
397
398
398
398
399
396
394
392
391
389
387
387
387
387
384
381

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

Generated: 09/02/26 22:35:10. Forecast: 09/02/26 to 15/02/26. Timezone: UTC-5.00