Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 26

Waxing Gibbous 59%

11:02

02:09

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

Sun - Rise: 07:13, Set: 17:14, Transit: 12:14. Moon - Rise: 11:02, Set: 02:09. Civil Dark: 17:42 - 06:44. Nautical Dark: 18:15 - 06:12. Astro Dark: 18:47 - 05:40

Total Clouds (% Sky Obscured)

95
94
83
77
95
90
88
87
75
74
19
2
2
0
1
2
3
2
3
2
2
3
3
5

Low Clouds (% Sky Obscured)

61
18
35
67
86
86
83
81
75
64
16
2
2
0
1
2
2
1
2
1
1
2
2
2

Medium Clouds (% Sky Obscured)

42
32
54
59
78
46
23
21
0
9
0
0
0
0
0
0
0
0
0
0
0
0
0
4

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)

9
9
9
9
7
4
7
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
1
0
3
2
0
1
1
0
1
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)

5
7
11
13
14
15
15
14
14
14
14
14
14
13
12
11
11
11
11
11
10
9
8
8

Chance of Frost

Temperature (°C)

-8
-7
-6
-6
-5
-5
-5
-5
-6
-7
-8
-8
-9
-10
-10
-11
-12
-12
-12
-13
-13
-14
-15
-16

Feels Like (°C)

-12
-12
-10
-11
-11
-11
-12
-12
-12
-14
-14
-14
-15
-15
-15
-15
-16
-16
-16
-17
-18
-18
-19
-19

Dew Point (°C)

-9
-8
-7
-7
-7
-7
-8
-7
-8
-10
-11
-12
-13
-13
-14
-14
-14
-14
-15
-15
-16
-17
-17
-18

Relative Humidity (%)

90
90
90
89
87
87
84
85
82
80
79
77
75
75
77
76
80
81
79
81
79
79
81
79

Pressure (mb)

1011
1011
1011
1012
1011
1011
1011
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1020
1021
1022
1022
1023
1023
1024

Ozone (du)

293
295
296
299
298
301
302
305
312
319
327
336
351
360
362
358
351
343
339
335
334
337
340
344

Tuesday 27

Waxing Gibbous 70%

11:39

03:26

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

Sun - Rise: 07:12, Set: 17:15, Transit: 12:14. Moon - Rise: 11:39, Set: 03:26. Civil Dark: 17:44 - 06:44. Nautical Dark: 18:16 - 06:11. Astro Dark: 18:48 - 05:39

Total Clouds (% Sky Obscured)

13
22
34
45
43
57
60
70
77
27
99
90
50
48
9
2
2
2
2
2
3
1
2
2

Low Clouds (% Sky Obscured)

2
2
5
0
3
3
3
16
19
20
98
90
50
48
8
2
2
2
2
2
3
1
1
1

Medium Clouds (% Sky Obscured)

7
9
28
45
24
37
36
43
60
12
11
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
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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
2
4
9
5
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-19
-18
-16
-16
-15
-13
-12
-11
-12
-13
-12
-14
-14
-13
-13
-14
-14
-15
-15
-16
-16
-17
-17
-18

Dew Point (°C)

-18
-16
-15
-15
-13
-12
-10
-9
-9
-10
-11
-11
-10
-11
-11
-12
-13
-14
-14
-14
-15
-16
-16
-17

Relative Humidity (%)

80
81
78
73
77
78
82
83
85
87
88
88
88
88
90
83
83
83
83
83
83
83
83
82

Pressure (mb)

1024
1024
1024
1023
1022
1020
1019
1018
1018
1017
1018
1018
1018
1019
1019
1019
1020
1020
1021
1021
1022
1022
1023
1023

Ozone (du)

347
351
348
345
338
334
333
337
338
341
342
344
345
350
355
367
374
377
379
370
376
375
373
372

Wednesday 28

Waxing Gibbous 81%

12:27

04:38

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

Sun - Rise: 07:11, Set: 17:16, Transit: 12:14. Moon - Rise: 12:27, Set: 04:38. Civil Dark: 17:45 - 06:43. Nautical Dark: 18:17 - 06:10. Astro Dark: 18:49 - 05:38

Total Clouds (% Sky Obscured)

2
3
3
5
9
40
74
81
62
41
30
20
25
25
25
25
24
39
41
48
35
17
1
1

Low Clouds (% Sky Obscured)

1
2
1
1
6
6
9
27
32
3
2
5
15
19
21
15
8
10
5
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
1
1
26
47
48
20
30
30
20
25
25
25
25
24
3
6
9
13
7
0
0

High Clouds (% Sky Obscured)

0
1
1
2
2
4
32
21
30
25
20
20
15
20
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
7
8
3
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
1
4
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-18
-16
-15
-13
-13
-12
-13
-13
-14
-14
-15
-16
-16
-16
-17
-17
-17
-19
-19
-19
-19
-19
-20
-20

Dew Point (°C)

-17
-15
-14
-13
-12
-11
-11
-11
-11
-12
-13
-14
-14
-14
-14
-14
-14
-16
-16
-16
-17
-18
-18
-19

Relative Humidity (%)

81
83
83
80
78
80
80
83
83
85
88
88
88
88
88
88
90
88
86
83
81
80
80
80

Pressure (mb)

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

Ozone (du)

371
371
378
376
378
402
429
458
478
488
488
489
493
494
491
494
499
507
490
461
446
426
408
396

Thursday 29

Waxing Gibbous 90%

13:27

05:40

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

Sun - Rise: 07:10, Set: 17:17, Transit: 12:14. Moon - Rise: 13:27, Set: 05:40. Civil Dark: 17:46 - 06:42. Nautical Dark: 18:18 - 06:09. Astro Dark: 18:50 - 05:37

Total Clouds (% Sky Obscured)

1
1
2
2
8
54
69
42
70
63
52
42
36
30
10
40
35
50
50
35
42
4
2
2

Low Clouds (% Sky Obscured)

1
1
2
2
8
47
63
41
37
30
22
15
8
0
0
0
1
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
3
2
3
2
0
1
1
20
15
10
0
0
4
1
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
25
40
25
25
30
30
4
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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
1
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)

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

Chance of Frost

Temperature (°C)

-15
-14
-12
-11
-10
-9
-8
-8
-8
-9
-11
-11
-12
-13
-13
-15
-16
-16
-16
-17
-17
-18
-20
-20

Feels Like (°C)

-19
-18
-16
-15
-14
-13
-14
-14
-12
-15
-16
-16
-16
-17
-18
-17
-20
-20
-21
-21
-22
-23
-22
-23

Dew Point (°C)

-18
-16
-14
-13
-12
-11
-11
-11
-11
-12
-13
-13
-14
-15
-15
-17
-18
-18
-19
-19
-19
-21
-22
-22

Relative Humidity (%)

80
81
83
81
81
82
82
82
83
83
83
83
83
83
84
82
81
83
81
81
81
83
81
81

Pressure (mb)

1022
1023
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025

Ozone (du)

387
385
387
387
387
387
386
383
382
387
391
393
395
397
396
391
385
383
380
380
382
381
382
383

Friday 30

Waxing Gibbous 96%

14:37

06:31

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

Sun - Rise: 07:10, Set: 17:18, Transit: 12:14. Moon - Rise: 14:37, Set: 06:31. Civil Dark: 17:47 - 06:41. Nautical Dark: 18:19 - 06:09. Astro Dark: 18:51 - 05:37

Total Clouds (% Sky Obscured)

2
4
7
9
19
57
77
82
86
86
90
90
95
90
85
70
69
31
16
2
2
2
4
6

Low Clouds (% Sky Obscured)

0
0
0
0
0
9
16
13
8
4
0
0
0
0
3
4
5
4
2
0
0
0
0
6

Medium Clouds (% Sky Obscured)

0
0
2
3
10
45
45
35
30
30
25
20
15
15
10
15
10
3
2
0
0
0
0
3

High Clouds (% Sky Obscured)

0
0
3
4
13
49
50
70
65
75
80
80
71
61
41
21
2
1
1
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
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)

7
9
10
10
11
11
11
11
11
9
8
7
7
7
7
7
7
6
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

-19
-15
-14
-12
-11
-10
-10
-10
-10
-12
-15
-16
-17
-17
-18
-19
-20
-20
-20
-20
-20
-20
-20
-21

Feels Like (°C)

-21
-18
-17
-15
-14
-14
-15
-15
-15
-16
-18
-20
-20
-20
-20
-21
-21
-22
-24
-24
-24
-24
-24
-24

Dew Point (°C)

-21
-18
-16
-15
-15
-14
-14
-13
-13
-14
-16
-18
-19
-19
-20
-21
-22
-23
-23
-23
-23
-23
-23
-24

Relative Humidity (%)

82
81
79
76
73
73
73
78
80
83
86
84
84
83
82
81
79
75
76
75
74
75
75
74

Pressure (mb)

1026
1026
1026
1026
1025
1024
1024
1024
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1025
1025
1025
1025
1026
1026

Ozone (du)

383
379
379
380
379
378
378
381
383
383
387
389
391
394
397
403
409
415
422
429
435
447
459
470

Saturday 31

Waxing Gibbous 99%

15:54

07:11

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

Sun - Rise: 07:09, Set: 17:20, Transit: 12:15. Moon - Rise: 15:54, Set: 07:11. Civil Dark: 17:48 - 06:40. Nautical Dark: 18:21 - 06:08. Astro Dark: 18:52 - 05:36

Total Clouds (% Sky Obscured)

7
8
18
24
26
34
29
23
11
8
5
0
10
20
31
56
70
79
89
94
98
100
100
100

Low Clouds (% Sky Obscured)

7
8
18
24
13
17
19
19
11
8
3
0
8
4
9
4
9
9
10
5
17
27
25
25

Medium Clouds (% Sky Obscured)

1
2
1
1
0
7
10
6
2
4
0
0
0
0
13
34
70
79
89
94
98
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
8
8
5
0
10
20
31
45
45
36
20
10
37
67
95
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
3
1
3
5
7
8
8
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
4
6
3
8
7
6
6
7
6
3
3
2
13
16
17
16
14
11
6

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

Chance of Frost

Temperature (°C)

-18
-16
-14
-12
-11
-9
-9
-8
-8
-9
-10
-10
-11
-11
-11
-11
-12
-12
-12
-12
-12
-12
-11
-11

Feels Like (°C)

-23
-22
-21
-20
-20
-18
-13
-13
-13
-14
-14
-14
-16
-15
-15
-15
-15
-15
-17
-17
-16
-16
-16
-16

Dew Point (°C)

-21
-19
-16
-15
-13
-12
-11
-11
-10
-11
-11
-12
-12
-12
-13
-13
-14
-14
-14
-14
-14
-14
-13
-13

Relative Humidity (%)

78
80
79
79
81
82
83
83
87
87
88
90
90
90
88
86
85
85
85
86
85
85
85
85

Pressure (mb)

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

Ozone (du)

470
470
470
471
473
474
472
471
469
466
462
459
460
461
463
464
465
466
468
469
471
469
468
466

Sunday 1

Full Moon 100%

17:11

07:42

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

Sun - Rise: 07:08, Set: 17:21, Transit: 12:15. Moon - Rise: 17:11, Set: 07:42. Civil Dark: 17:49 - 06:39. Nautical Dark: 18:22 - 06:07. Astro Dark: 18:53 - 05:35

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

22
18
19
20
17
18
12
14
24
14
10
4
4
4
3
2
1

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

97
93
97
99
100
100
100
100
100
100
100
100
100
99
82
60
42

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 (%)

2
0
2
1
1
1
0
0
11
9
3
10
9
7
4
3
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
12
13
13
14
14
15
15
15
16
16
16
16
16
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-17
-17
-16
-16
-16
-12
-12
-12
-12
-12
-12
-14
-14
-14
-15
-15

Dew Point (°C)

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

Relative Humidity (%)

85
83
83
85
85
85
85
84
84
84
82
80
82
82
82
80
82

Pressure (mb)

1019
1019
1019
1018
1017
1016
1016
1015
1014
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

463
460
458
456
454
452
453
454
454
455
455
455
456
457
457
448
439

Forecast for Washington Park, Montgomery County, United States of America (40.10,-75.38)

Generated: 26/01/26 08:00:19. Forecast: 26/01/26 to 01/02/26. Timezone: UTC-5.00