Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 9%

09:03

19:17

15 Good
16 Good
17 Good
18 Good
19 OK
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 Good
11 Good
12 Good
13 Good
14 Good

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
33
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
0
1
2

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
1
2
0
0
1
1

High Clouds (% Sky Obscured)

0
0
0
0
28
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2

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
8
7
4
4
4
3
3
2
1
2
2
2
3
3
3
4
4
6
8
10
11
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

18
17
27
34
38
40
41
40
40
40
41
42
43
43
45
48
50
52
43
29
22
20
21
24

Pressure (mb)

1030
1030
1031
1031
1033
1034
1034
1034
1034
1035
1034
1035
1035
1034
1034
1034
1034
1034
1034
1034
1033
1031
1029
1027

Ozone (du)

383
388
390
390
383
378
375
370
362
357
351
345
341
341
339
335
331
329
327
326
324
323
322
320

Wednesday 21

Waxing Crescent 8%

09:27

20:23

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

69
73
72
71
80
100
100
99
88
69
49
14
8
11
29
42
50
32
51
98
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
5
1
0
8
3
29
42
43
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

12
14
1
10
30
78
92
85
88
69
49
10
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

46
45
45
48
48
100
100
95
29
2
0
0
0
0
0
0
11
24
37
90
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
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)

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

Chance of Frost

Temperature (°C)

6
5
4
3
2
2
2
2
2
2
3
2
1
1
1
1
0
1
3
6
8
10
10
11

Feels Like (°C)

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

Dew Point (°C)

-12
-11
-10
-10
-9
-9
-8
-7
-6
-5
-5
-4
-4
-3
-4
-3
-2
-2
-2
-0
1
1
1
1

Relative Humidity (%)

27
31
35
38
42
45
49
53
56
58
59
64
70
73
70
78
83
83
73
65
59
53
50
49

Pressure (mb)

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

Ozone (du)

319
319
323
327
331
332
333
333
335
339
347
349
352
354
354
355
359
361
362
359
358
355
355
355

Thursday 22

Waxing Crescent 16%

09:50

21:29

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

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)

100
99
41
35
10
5
27
31
30
3
65
73
92
99
100
100
100
100
100
100
100
100
92
85

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
33
13
34
21
11
0
0
2
0
5
9

Medium Clouds (% Sky Obscured)

74
72
37
30
0
0
23
28
25
3
55
69
80
96
96
100
100
100
100
100
84
83
57
32

High Clouds (% Sky Obscured)

100
97
26
20
10
5
10
5
11
1
12
32
65
66
99
100
97
95
93
95
98
100
90
77

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
1
6
12
8
9
8
7
5
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
6
5
4
4
3
2
1
1
2
3
4
3
3
3
3
4
5
6
7
7
8
7
6

Chance of Frost

Temperature (°C)

11
10
8
6
5
4
3
3
2
2
1
1
1
0
0
1
1
1
2
2
3
3
4
5

Feels Like (°C)

8
7
5
3
2
1
1
1
2
0
-1
-2
-3
-3
-3
-3
-3
-3
-3
-3
-3
-2
-1
0

Dew Point (°C)

2
2
3
2
2
2
1
1
0
0
-0
-1
-1
-2
-2
-3
-4
-5
-6
-7
-7
-8
-8
-7

Relative Humidity (%)

52
58
70
78
82
83
85
85
86
88
89
89
88
86
86
80
73
63
57
52
47
43
42
41

Pressure (mb)

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

Ozone (du)

354
353
353
352
352
352
348
345
341
338
338
341
344
345
342
339
338
335
334
333
329
325
324
326

Friday 23

Waxing Crescent 26%

10:15

22:36

15 Bad
16 Bad
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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 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)

76
59
43
26
27
27
32
36
44
51
70
86
100
100
100
100
96
92
88
91
95
100
100
100

Low Clouds (% Sky Obscured)

14
9
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
0
0
0
0

Medium Clouds (% Sky Obscured)

7
34
29
26
27
27
32
33
26
35
45
54
72
77
79
81
79
76
74
83
92
100
96
91

High Clouds (% Sky Obscured)

64
50
39
26
27
25
25
35
44
51
70
86
100
100
100
100
94
91
79
84
91
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
4
3
1
3
2

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
2
0
2
4
4
3
3
5
19
19
25
21
26

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)

6
8
11
12
14
15
15
15
15
15
14
13
13
12
12
11
11
10
10
9
8
7
6
6

Chance of Frost

Temperature (°C)

5
4
2
-0
-2
-4
-6
-7
-8
-9
-10
-10
-11
-11
-11
-11
-12
-11
-11
-11
-10
-9
-9
-9

Feels Like (°C)

0
-2
-5
-7
-10
-12
-14
-14
-15
-16
-17
-17
-17
-17
-17
-17
-18
-17
-16
-16
-16
-14
-14
-13

Dew Point (°C)

-7
-8
-10
-11
-12
-14
-16
-18
-19
-21
-23
-24
-24
-24
-24
-24
-24
-24
-24
-24
-25
-24
-24
-24

Relative Humidity (%)

42
42
43
44
46
47
45
42
42
36
33
32
32
32
34
35
34
34
32
31
29
28
27
26

Pressure (mb)

1022
1023
1024
1026
1027
1029
1031
1032
1033
1034
1035
1036
1036
1037
1038
1038
1039
1040
1040
1040
1040
1039
1038
1038

Ozone (du)

328
327
322
317
312
308
303
301
302
302
299
296
296
297
295
294
294
295
295
295
294
292
291
290

Saturday 24

Waxing Crescent 36%

10:42

23:45

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
14 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
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

5
5
0
0
12
23
35
57
78
100
100
100
100
98
97
95
93
92
90
89
88
87
81
75

Medium Clouds (% Sky Obscured)

87
92
96
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
95
89
83
77
75

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

2
2
5
2
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

22
20
25
33
41
42
56
75
83
88
95
95
95
95
95
95
95
95
95
95
91
82
77
73

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0.3
0.3
0.3
1.4
1.5
1.7
1.7
1.7
1.7
1.4
1
0.8
0.7
0.6
0.5
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-13
-13
-13
-12
-12
-13
-13
-13
-13
-14
-13
-13
-13
-14
-14
-14
-13
-14
-13
-13
-13
-13
-11

Dew Point (°C)

-24
-23
-23
-22
-22
-22
-19
-13
-11
-11
-11
-11
-11
-11
-11
-11
-10
-10
-10
-9
-9
-9
-8
-8

Relative Humidity (%)

26
28
29
30
31
32
43
75
87
87
88
88
90
90
90
90
92
92
90
90
90
90
90
92

Pressure (mb)

1038
1037
1037
1037
1038
1037
1037
1036
1036
1035
1034
1032
1031
1029
1029
1029
1028
1028
1028
1027
1027
1026
1025
1025

Ozone (du)

289
289
292
291
291
289
289
288
289
288
289
288
287
287
288
288
289
289
289
289
290
290
291
292

Sunday 25

First Quarter 47%

11:13

00:57

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 OK
13 Bad
14 Bad

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)

100
100
100
100
81
60
43
41
39
43
49
62
86
87
88
85
86
91
92
75
57
42
58
73

Low Clouds (% Sky Obscured)

67
48
29
10
15
21
26
24
22
19
30
41
43
29
15
0
2
7
12
20
22
24
29
37

Medium Clouds (% Sky Obscured)

66
54
40
15
10
15
40
41
39
43
38
20
0
0
0
0
1
3
5
11
17
22
15
7

High Clouds (% Sky Obscured)

100
100
100
100
81
60
22
17
16
15
10
5
15
70
75
70
55
55
30
4
3
2
0
1

ISS Passover

Visibility (miles)

0
0
0
0
0
3
6
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

Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

71
65
59
52
43
32
16
11
7
0
0
0
0
0
0
0
0
0
0
0
0
0
4
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-11
-11
-11
-12
-12
-12
-11
-11
-11
-11
-14
-14
-15
-15
-14
-14
-15
-16
-15
-15
-15
-14
-10

Dew Point (°C)

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

Relative Humidity (%)

92
92
94
92
92
92
92
92
92
92
90
87
82
78
78
77
78
78
77
77
73
71
69
70

Pressure (mb)

1025
1025
1025
1026
1026
1027
1027
1028
1028
1028
1028
1029
1029
1030
1030
1031
1032
1032
1033
1034
1034
1033
1033
1033

Ozone (du)

293
294
294
295
295
297
298
300
299
299
299
300
301
302
302
303
303
305
307
309
313
317
320
330

Monday 26

Waxing Gibbous 59%

11:52

02:12

15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 07:16, Set: 17:24, Transit: 12:21. Moon - Rise: 11:52, Set: 02:12. Civil Dark: 17:52 - 06:48. Nautical Dark: 18:24 - 06:16. Astro Dark: 18:56 - 05:45

Total Clouds (% Sky Obscured)

86
76
62
49
30
16
2
1
1
1
2
3
3
3
3
3

Low Clouds (% Sky Obscured)

48
43
38
37
25
12
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

High Clouds (% Sky Obscured)

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

Fog (%)

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

Precipitation Probability (%)

4
6
5
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-11
-11
-10
-11
-15
-14
-14
-14
-14
-14
-16
-16
-15
-16
-16

Dew Point (°C)

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

Relative Humidity (%)

73
74
77
78
80
78
78
78
78
78
78
78
76
76
78
79

Pressure (mb)

1033
1033
1034
1035
1035
1036
1037
1037
1037
1038
1038
1038
1038
1038
1038
1038

Ozone (du)

339
348
352
357
361
361
361
361
360
358
357
357
357
357
356
355

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

Generated: 20/01/26 15:05:51. Forecast: 20/01/26 to 26/01/26. Timezone: UTC-5.00