Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 19

Waxing Crescent 4%

08:37

18:11

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

Sun - Rise: 07:21, Set: 17:16, Transit: 12:19. Moon - Rise: 08:37, Set: 18:11. Civil Dark: 17:45 - 06:53. Nautical Dark: 18:17 - 06:20. Astro Dark: 18:49 - 05:49

Total Clouds (% Sky Obscured)

25
23
20
10
0
10
91
100
76
37
11
15
0
0
0
0
8
21
19
0
0
0
0
0

Low Clouds (% Sky Obscured)

25
23
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
3
0
0
2
84
99
76
37
11
4
0
0
0
0
1
5
8
0
0
0
0
0

High Clouds (% Sky Obscured)

0
11
1
0
0
0
0
1
16
18
2
15
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-11
-11
-11
-10
-11
-12
-12
-13
-14
-15
-15
-16
-16
-17
-17
-17
-17
-18
-19
-19
-20
-21
-23

Relative Humidity (%)

29
30
32
36
42
43
43
48
44
43
44
46
45
45
43
43
43
43
41
35
31
25
21
17

Pressure (mb)

1015
1016
1017
1017
1019
1021
1022
1023
1024
1024
1025
1026
1026
1026
1026
1027
1028
1029
1029
1030
1031
1032
1031
1030

Ozone (du)

332
334
336
335
337
341
345
345
346
348
357
360
364
371
376
377
381
385
387
387
387
387
392
393

Tuesday 20

Waxing Crescent 4%

09:03

19:17

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

Sun - Rise: 07:21, Set: 17:18, Transit: 12:20. Moon - Rise: 09:03, Set: 19:17. Civil Dark: 17:46 - 06:52. Nautical Dark: 18:18 - 06:20. Astro Dark: 18:50 - 05:48

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
5
3
65
11
56
76

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
62
11
54
76

High Clouds (% Sky Obscured)

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

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)

8
9
8
5
4
4
4
3
2
2
2
2
2
3
3
3
4
4
4
7
9
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-22
-22
-20
-17
-16
-16
-15
-15
-15
-16
-16
-15
-15
-16
-16
-16
-15
-15
-15
-16
-16
-16
-15
-15

Relative Humidity (%)

17
18
21
30
37
41
43
45
46
46
46
47
47
47
48
48
49
50
50
38
30
27
25
24

Pressure (mb)

1030
1030
1031
1031
1032
1033
1034
1034
1034
1035
1035
1035
1035
1034
1034
1034
1034
1034
1034
1034
1033
1032
1031
1029

Ozone (du)

395
397
405
408
408
408
405
399
397
395
389
374
368
364
361
357
352
348
344
344
338
334
331
328

Wednesday 21

Waxing Crescent 9%

09:27

20:23

14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Good
20 OK
21 OK
22 OK
23 Good
00 OK
01 OK
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: 07:20, Set: 17:19, Transit: 12:20. Moon - Rise: 09:27, Set: 20:23. Civil Dark: 17:47 - 06:52. Nautical Dark: 18:19 - 06:19. Astro Dark: 18:51 - 05:48

Total Clouds (% Sky Obscured)

52
90
72
58
37
12
31
36
37
16
22
45
72
95
91
91
91
91
91
95
95
95
96
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
0
2
0
0
1
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

49
88
69
51
33
11
31
36
37
16
22
44
71
85
85
80
80
80
79
74
69
75
75
47

High Clouds (% Sky Obscured)

11
4
1
1
1
1
1
10
30
15
8
0
1
0
23
50
75
70
80
85
86
82
75
74

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
7
12
13
26
27
23
25
20
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-13
-11
-10
-10
-9
-9
-9
-9
-8
-7
-7
-6
-6
-5
-5
-4
-4
-4
-4
-4
-4
-3
-3
-4

Relative Humidity (%)

26
29
32
35
40
43
45
45
47
51
53
58
62
70
72
73
74
78
73
64
57
52
48
41

Pressure (mb)

1028
1027
1026
1026
1026
1025
1025
1025
1024
1024
1024
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020

Ozone (du)

329
331
331
333
336
341
343
344
343
340
342
345
348
353
354
355
356
355
356
359
364
365
367
367

Thursday 22

Waxing Crescent 16%

09:50

21:29

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

Sun - Rise: 07:19, Set: 17:20, Transit: 12:20. Moon - Rise: 09:50, Set: 21:29. Civil Dark: 17:48 - 06:51. Nautical Dark: 18:20 - 06:19. Astro Dark: 18:52 - 05:47

Total Clouds (% Sky Obscured)

99
95
81
65
50
49
53
25
17
11
4
3
4
3
25
61
87
76
86
95
97
98
100
100

Low Clouds (% Sky Obscured)

0
0
4
8
12
18
24
25
17
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

27
0
9
17
21
15
9
0
0
0
0
0
0
0
25
46
69
64
67
66
69
82
89
86

High Clouds (% Sky Obscured)

90
86
75
53
35
40
50
3
4
9
4
3
4
3
3
27
31
14
57
86
92
97
100
100

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 (%)

3
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)

8
7
5
4
4
3
2
2
3
3
3
3
3
3
3
4
4
5
4
4
3
2
3
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
37
41
52
57
60
63
65
68
68
70
71
72
74
75
77
76
76
74
61
54
51
48
47

Pressure (mb)

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

Ozone (du)

363
360
361
363
363
364
361
358
357
358
359
357
352
351
348
345
345
345
344
339
340
341
348
347

Friday 23

Waxing Crescent 26%

10:15

22:36

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: 07:19, Set: 17:21, Transit: 12:20. Moon - Rise: 10:15, Set: 22:36. Civil Dark: 17:49 - 06:50. Nautical Dark: 18:21 - 06:18. Astro Dark: 18:53 - 05:47

Total Clouds (% Sky Obscured)

100
100
96
91
86
91
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
6
11
17
11
6
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

71
58
68
76
85
87
90
92
94
97
100
100
100
100
100
100
100
100
100
100
100
100
100
92

High Clouds (% Sky Obscured)

100
100
75
48
5
36
68
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
1
0
1
1
1
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
5
5
5
10
12
13
13
14
14
14
14
13
13
13
12
12
11
11
11
11
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
2
0
-3
-5
-5
-6
-7
-7
-8
-9
-16
-17
-17
-17
-17
-18
-19
-18
-18
-18
-18
-18

Dew Point (°C)

-6
-6
-4
-4
-7
-8
-10
-12
-14
-16
-18
-20
-21
-22
-24
-24
-24
-25
-25
-25
-25
-25
-26
-26

Relative Humidity (%)

44
44
49
55
48
49
48
48
47
45
42
40
39
37
34
35
34
34
33
32
30
28
26
25

Pressure (mb)

1021
1021
1021
1022
1023
1024
1025
1026
1028
1029
1030
1031
1032
1032
1033
1034
1035
1036
1037
1037
1038
1037
1036
1036

Ozone (du)

338
324
316
315
312
310
310
309
309
309
308
308
308
308
308
307
306
305
303
302
301
298
296
294

Saturday 24

Waxing Crescent 36%

10:42

23:45

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: 07:18, Set: 17:22, Transit: 12:21. Moon - Rise: 10:42, Set: 23:45. Civil Dark: 17:50 - 06:50. Nautical Dark: 18:22 - 06:18. Astro Dark: 18:54 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
85
73
75
80
85
85
80
80
80
75

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
10
20
30
25
25
20
20
0
0
0
5
10
15
15
15
15
15

Medium Clouds (% Sky Obscured)

73
54
39
17
0
21
43
64
76
90
100
91
91
91
85
73
75
80
69
54
34
13
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
67
50
35
35
30
15
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
4
1
1
1
1
1
0
0
0
0
0
0
0
0
2
4
6

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None

Precipitation Probability (%)

0
0
1
2
3
14
23
28
33
37
43
49
54
60
69
77
83
78
69
58
47
34
20
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.1
0.1
0.2
0.2
0.2
0.3
0.4
0.5
0.4
0.3
0.2
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-9
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-9
-9
-10
-10
-10
-10
-10
-10
-10
-9
-8
-7

Feels Like (°C)

-15
-15
-14
-14
-14
-14
-13
-12
-12
-12
-12
-13
-12
-12
-12
-12
-13
-13
-13
-14
-14
-13
-14
-13

Dew Point (°C)

-26
-26
-25
-25
-25
-25
-25
-24
-24
-24
-23
-23
-19
-16
-13
-12
-12
-12
-12
-13
-13
-13
-13
-13

Relative Humidity (%)

24
23
22
23
23
24
24
25
25
27
28
30
42
59
81
85
86
88
85
80
78
72
67
63

Pressure (mb)

1035
1035
1034
1034
1034
1034
1034
1034
1034
1033
1033
1033
1033
1032
1032
1032
1032
1032
1032
1032
1033
1032
1031
1031

Ozone (du)

292
290
287
287
286
285
285
285
285
285
285
285
286
287
288
290
293
295
298
301
303
309
314
319

Sunday 25

First Quarter 47%

11:13

00:57

14 Bad
15 OK
16 OK
17 OK
18 OK
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good

Sun - Rise: 07:17, Set: 17:23, Transit: 12:21. Moon - Rise: 11:13, Set: 00:57. Civil Dark: 17:51 - 06:49. Nautical Dark: 18:23 - 06:17. Astro Dark: 18:55 - 05:46

Total Clouds (% Sky Obscured)

40
30
33
27
25
6
3
0
4
7
9

Low Clouds (% Sky Obscured)

15
5
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
7
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

7
8
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
11
10
8
4
5
4
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
9
8
8
9
8
9
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-12
-12
-12
-11
-11
-13
-13
-13
-13
-13

Dew Point (°C)

-13
-13
-13
-14
-14
-14
-15
-15
-16
-16
-16

Relative Humidity (%)

62
59
59
60
63
64
64
65
66
67
69

Pressure (mb)

1030
1030
1030
1031
1032
1032
1033
1033
1033
1033
1034

Ozone (du)

327
334
342
341
341
340
342
344
346
349
352

Forecast for Friendship Acres, Charles County, United States of America (38.44,-77.13)

Generated: 19/01/26 14:54:50. Forecast: 19/01/26 to 25/01/26. Timezone: UTC-5.00