Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 27

Waxing Gibbous 87%

14:50

05:08

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 Good
11 OK
12 OK
13 Good
14 Good

Sun - Rise: 06:34, Set: 17:51, Transit: 12:13. Moon - Rise: 14:50, Set: 05:08. Civil Dark: 18:18 - 06:07. Nautical Dark: 18:50 - 05:36. Astro Dark: 19:21 - 05:04

Total Clouds (% Sky Obscured)

16
13
13
9
2
2
4
1
2
4
3
3
3
0
0
1
0
0
0
1
26
23
13
7

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
16
8
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
0
2
2
2
2
2
0
0
0
0
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
57
65
72
77
77
77
80
84
84
83
81
81
84
87
87
89
81
68
59
55
55
54
55

Pressure (mb)

1019
1019
1019
1020
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1018
1018

Ozone (du)

380
378
372
371
375
375
371
371
368
369
368
364
363
362
362
359
356
355
353
355
350
347
346
345

Saturday 28

Waxing Gibbous 94%

No Rise

05:41

15 Good
16 OK
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 OK
02 OK
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: 06:33, Set: 17:52, Transit: 12:13. Moon - Rise: No Rise, Set: 05:41. Civil Dark: 18:20 - 06:06. Nautical Dark: 18:51 - 05:34. Astro Dark: 19:22 - 05:03

Total Clouds (% Sky Obscured)

11
20
0
0
0
1
6
4
3
4
16
19
45
88
69
98
96
99
100
100
95
99
88
45

Low Clouds (% Sky Obscured)

9
20
0
0
0
0
1
0
1
2
16
18
42
78
60
84
77
92
100
100
95
98
84
45

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
4
4
3
0
0
1
4
22
43
89
81
77
31
94
23
17
18
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
0
0
1
0
0
2
18
1
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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
25
55
45
45
17
23
13
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
4
2
2
2
2
3
2
3
3
3
2
2
3
4
5
6
4
5
8
10
12
12
11

Chance of Frost

Temperature (°C)

13
13
12
9
8
7
6
6
6
5
5
4
4
3
3
3
3
4
4
3
3
3
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
59
65
76
81
82
84
85
88
90
91
93
93
94
91
94
93
93
91
89
83
69
63
62

Pressure (mb)

1017
1017
1017
1018
1018
1018
1019
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1017
1017
1018
1019
1020
1020
1021

Ozone (du)

345
346
347
348
348
351
358
359
359
359
361
361
360
358
358
357
356
358
356
353
351
353
352
351

Sunday 1

Waxing Gibbous 98%

16:04

06:09

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

Sun - Rise: 06:31, Set: 17:53, Transit: 12:13. Moon - Rise: 16:04, Set: 06:09. Civil Dark: 18:21 - 06:04. Nautical Dark: 18:52 - 05:33. Astro Dark: 19:23 - 05:01

Total Clouds (% Sky Obscured)

45
19
3
35
30
52
25
30
4
3
3
4
45
36
40
34
73
68
94
53
47
25
25
25

Low Clouds (% Sky Obscured)

45
19
2
1
2
2
1
1
1
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
1
10
15
30
20
2
32
55
53
47
25
25
25

High Clouds (% Sky Obscured)

0
1
1
25
25
52
25
30
2
2
0
2
34
14
25
19
72
59
94
47
40
12
10
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-6
-6
-7
-7
-8
-10
-12
-13
-14
-14
-14
-16
-16
-17
-17
-17
-18
-17
-18
-18
-19
-19
-19

Relative Humidity (%)

54
51
53
55
60
61
57
53
51
49
49
51
46
45
45
44
44
41
39
33
30
26
24
24

Pressure (mb)

1022
1023
1024
1026
1028
1029
1030
1031
1032
1033
1034
1035
1035
1036
1036
1037
1038
1039
1040
1040
1040
1039
1039
1038

Ozone (du)

350
349
350
351
354
355
356
352
348
348
348
353
355
360
359
359
357
358
361
360
359
359
361
363

Monday 2

Waxing Gibbous 100%

17:15

06:33

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

Sun - Rise: 06:30, Set: 17:55, Transit: 12:13. Moon - Rise: 17:15, Set: 06:33. Civil Dark: 18:22 - 06:03. Nautical Dark: 18:53 - 05:31. Astro Dark: 19:25 - 05:00

Total Clouds (% Sky Obscured)

20
1
0
0
0
0
0
12
26
39
43
54
95
100
100
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
15
30
45
75
87
89
89
89
89
92
96
100
96
92

Medium Clouds (% Sky Obscured)

20
0
0
0
0
0
0
0
0
0
11
19
25
32
31
73
95
92
88
91
96
100
99
100

High Clouds (% Sky Obscured)

15
0
0
0
0
0
0
12
26
39
43
54
95
75
62
30
50
72
70
83
100
100
93
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
0
0
0
0
0
0
0
0
0
0
3
7
9
25
34
44
58
77
87
94
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.5
0.6
0.6
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-19
-18
-18
-18
-18
-19
-19
-19
-16
-14
-15
-14
-13
-13
-13
-12
-11
-10
-9
-6
-2
-1
0
-0

Relative Humidity (%)

24
25
25
28
28
28
29
29
37
46
45
46
48
49
48
49
52
54
55
66
91
98
98
98

Pressure (mb)

1038
1038
1038
1039
1039
1039
1040
1040
1040
1040
1040
1039
1039
1038
1038
1038
1037
1037
1037
1036
1036
1035
1033
1032

Ozone (du)

363
364
361
361
359
357
354
351
349
349
351
348
345
345
341
340
340
341
341
341
340
339
337
340

Tuesday 3

Full Moon 99%

18:23

06:55

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: 06:28, Set: 17:56, Transit: 12:13. Moon - Rise: 18:23, Set: 06:55. Civil Dark: 18:23 - 06:01. Nautical Dark: 18:54 - 05:30. Astro Dark: 19:26 - 04:58

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)

88
87
86
85
85
85
85
84
84
83
81
79
74
79
85
92
86
81
77
88
95
98
99
100

Medium Clouds (% Sky Obscured)

100
100
100
99
95
90
90
93
95
97
92
99
100
100
100
100
100
100
100
98
95
93
94
94

High Clouds (% Sky Obscured)

86
89
93
100
100
100
100
88
81
63
72
86
100
100
100
90
92
96
99
93
88
82
87
91

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
5
8
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
76
68
91
73
34
25
39
90
95
95
95
95
81
61
50
36
7
16
21

Precipitation Amount (mm)

1.1
1
0.9
1
0.6
0.4
0.3
0.6
0.5
0
0
0
0.5
1
0.8
0.8
0.7
0.5
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-3
-2
-3
-2
-2
-1
-1
-1
0
0
0
1
1
1
2
2
2
2
2
2
2
8

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
100
100
100
100
100
98
98
98
98
98
98
98
98
98
98
94
90
88
90

Pressure (mb)

1031
1030
1030
1029
1028
1028
1027
1027
1026
1025
1025
1024
1023
1023
1023
1023
1023
1024
1024
1025
1025
1025
1024
1025

Ozone (du)

342
342
338
336
338
334
331
325
318
317
320
319
319
320
320
319
317
316
314
312
311
309
308
307

Wednesday 4

Waning Gibbous 97%

19:29

07:16

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: 06:27, Set: 17:57, Transit: 12:12. Moon - Rise: 19:29, Set: 07:16. Civil Dark: 18:24 - 06:00. Nautical Dark: 18:55 - 05:28. Astro Dark: 19:27 - 04:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
98
94
91
87
90
94
97
97
98
99
99
100

Low Clouds (% Sky Obscured)

100
96
92
88
90
92
94
94
94
94
90
86
81
79
76
73
74
77
77
65
48
37
31
24

Medium Clouds (% Sky Obscured)

94
96
97
98
90
69
70
50
34
15
19
37
66
70
57
45
43
41
39
50
60
58
69
83

High Clouds (% Sky Obscured)

96
73
47
26
45
65
84
86
66
58
64
52
58
53
51
58
78
90
95
86
88
91
94
96

ISS Passover

Visibility (miles)

9
9
9
9
9
6
4
1
1
0
0
0
0
0
0
0
0
0
0
0
3
6
9
7

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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
36
48
60
55
46
31
30
31
32
35
38
34
33
28
16
22
21
16
13
8
1
12
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
7
8
7
6
5
5
5
5
5
4
4
3
3
3
4
5
5
6
6
6
6
14

Dew Point (°C)

8
8
8
8
7
7
7
7
6
6
6
6
6
6
6
6
6
7
8
9
10
12
14
14

Relative Humidity (%)

93
96
96
100
100
98
98
100
98
100
100
100
98
98
98
100
100
100
100
100
98
98
95
95

Pressure (mb)

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

Ozone (du)

306
305
304
303
302
301
300
299
299
299
299
300
300
300
300
300
300
303
306
308
307
306
306
306

Thursday 5

Waning Gibbous 92%

20:33

07:38

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

Sun - Rise: 06:25, Set: 17:58, Transit: 12:12. Moon - Rise: 20:33, Set: 07:38. Civil Dark: 18:25 - 05:58. Nautical Dark: 18:56 - 05:27. Astro Dark: 19:28 - 04:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
91
85
79
62
46
25
33
40
48
47
50
53
58
66
75

Low Clouds (% Sky Obscured)

14
42
68
83
78
71
67
70
74
79
62
46
25
33
40
48
47
50
53
58
66
75

Medium Clouds (% Sky Obscured)

99
98
97
97
97
97
97
71
47
26
27
27
22
28
24
25
28
26
20
22
24
26

High Clouds (% Sky Obscured)

98
97
96
95
66
39
16
13
11
9
31
46
25
33
40
48
47
50
53
58
65
74

ISS Passover

Visibility (miles)

5
3
5
7
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

Precipitation Type

None
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain

Precipitation Probability (%)

31
52
67
80
71
59
40
35
30
12
12
9
2
3
2
0
10
19
25
47
67
84

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
15
14
14
14
13
12
12
12
11
11
11
10
10
10
10
11
12
13
13
14

Feels Like (°C)

14
13
13
14
14
13
13
12
12
12
11
11
11
11
11
11
11
10
10
10
10
11

Dew Point (°C)

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

Relative Humidity (%)

93
92
93
96
96
98
96
96
96
95
95
93
95
93
95
93
95
85
80
74
68
63

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1020
1021
1021
1021
1021
1021
1022
1021
1021

Ozone (du)

306
306
306
306
306
307
309
310
306
303
299
296
294
292
292
291
291
292
293
294
293
292

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

Generated: 27/02/26 15:40:10. Forecast: 27/02/26 to 05/03/26. Timezone: UTC-5.00